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1021414122 = 232192157189
BaseRepresentation
bin111100111000011…
…000101011101010
32122011222012202200
4330320120223222
54042440222442
6245204241030
734211606511
oct7470305352
92564865680
101021414122
1148461a603
122460a0176
131337c7171
1499923678
155ea1134c
hex3ce18aea

1021414122 has 36 divisors (see below), whose sum is σ = 2335686210. Its totient is φ = 322549776.

The previous prime is 1021414109. The next prime is 1021414127. The reversal of 1021414122 is 2214141201.

It can be written as a sum of positive squares in only one way, i.e., 868421961 + 152992161 = 29469^2 + 12369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1021414095 and 1021414104.

It is not an unprimeable number, because it can be changed into a prime (1021414127) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72097 + ... + 85092.

Almost surely, 21021414122 is an apocalyptic number.

1021414122 is an abundant number, since it is smaller than the sum of its proper divisors (1314272088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021414122 is a wasteful number, since it uses less digits than its factorization.

1021414122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157235 (or 157213 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1021414122 is about 31959.5701160075. The cubic root of 1021414122 is about 1007.0876866802.

Adding to 1021414122 its reverse (2214141201), we get a palindrome (3235555323).

It can be divided in two parts, 10214 and 14122, that added together give a square (24336 = 1562).

The spelling of 1021414122 in words is "one billion, twenty-one million, four hundred fourteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 361 722 1083 2166 3249 6498 157189 314378 471567 943134 1414701 2829402 2986591 5973182 8959773 17919546 26879319 53758638 56745229 113490458 170235687 340471374 510707061 1021414122