102152557124 has 12 divisors (see below), whose sum is σ = 181697581548. Its totient is φ = 50238962400.

The previous prime is 102152557093. The next prime is 102152557139. The reversal of 102152557124 is 421755251201.

It can be written as a sum of positive squares in 2 ways, for example, as 2032206400 + 100120350724 = 45080^2 + 316418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209328767 + ... + 209329254.

It is an arithmetic number, because the mean of its divisors is an integer number (15141465129).

Almost surely, 2^102152557124 is an apocalyptic number.

It is an amenable number.

102152557124 is a deficient number, since it is larger than the sum of its proper divisors (79545024424).

102152557124 is a wasteful number, since it uses less digits than its factorization.

102152557124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418658086 (or 418658084 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 102152557124 in words is "one hundred two billion, one hundred fifty-two million, five hundred fifty-seven thousand, one hundred twenty-four".