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1120032221 = 71114545873
BaseRepresentation
bin100001011000010…
…0101010111011101
32220001112112100212
41002300211113131
54243212012341
6303050102205
736520055030
oct10260452735
92801475325
101120032221
11525257870
1227311a965
1314b075979
14a8a75017
15684e15eb
hex42c255dd

1120032221 has 8 divisors (see below), whose sum is σ = 1396403904. Its totient is φ = 872752320.

The previous prime is 1120032209. The next prime is 1120032259. The reversal of 1120032221 is 1222300211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120032221 - 218 = 1119770077 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120032196 and 1120032205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120032281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7272860 + ... + 7273013.

It is an arithmetic number, because the mean of its divisors is an integer number (174550488).

Almost surely, 21120032221 is an apocalyptic number.

1120032221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120032221 is a deficient number, since it is larger than the sum of its proper divisors (276371683).

1120032221 is a wasteful number, since it uses less digits than its factorization.

1120032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14545891.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1120032221 is about 33466.8824511636. The cubic root of 1120032221 is about 1038.5087790457.

Adding to 1120032221 its reverse (1222300211), we get a palindrome (2342332432).

The spelling of 1120032221 in words is "one billion, one hundred twenty million, thirty-two thousand, two hundred twenty-one".

Divisors: 1 7 11 77 14545873 101821111 160004603 1120032221