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1020122401123 = 7347419976287
BaseRepresentation
bin11101101100001000000…
…10001000100101100011
310121112010002021022111201
432312010002020211203
5113203202313313443
62100345431222031
7133462404224350
oct16660402104543
93545102238451
101020122401123
113636a4556771
12145858b17917
137527412b277
1437534ab1627
151b80810e34d
hexed84088963

1020122401123 has 8 divisors (see below), whose sum is σ = 1169213985792. Its totient is φ = 871870769736.

The previous prime is 1020122401117. The next prime is 1020122401147. The reversal of 1020122401123 is 3211042210201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020122401123 - 29 = 1020122400611 is a prime.

It is a super-2 number, since 2×10201224011232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020122401123.

It is not an unprimeable number, because it can be changed into a prime (1020122401163) 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, 209985715 + ... + 209990572.

It is an arithmetic number, because the mean of its divisors is an integer number (146151748224).

Almost surely, 21020122401123 is an apocalyptic number.

1020122401123 is a deficient number, since it is larger than the sum of its proper divisors (149091584669).

1020122401123 is an equidigital number, since it uses as much as digits as its factorization.

1020122401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419976641.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1020122401123 its reverse (3211042210201), we get a palindrome (4231164611324).

The spelling of 1020122401123 in words is "one trillion, twenty billion, one hundred twenty-two million, four hundred one thousand, one hundred twenty-three".

Divisors: 1 7 347 2429 419976287 2939834009 145731771589 1020122401123