102556038 has 16 divisors (see below), whose sum is σ = 220890096. Its totient is φ = 31555680.

The previous prime is 102556037. The next prime is 102556039. The reversal of 102556038 is 830655201.

It is an interprime number because it is at equal distance from previous prime (102556037) and next prime (102556039).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102555996 and 102556014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102556037) 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, 657333 + ... + 657488.

It is an arithmetic number, because the mean of its divisors is an integer number (13805631).

Almost surely, 2^102556038 is an apocalyptic number.

102556038 is an abundant number, since it is smaller than the sum of its proper divisors (118334058).

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

102556038 is a wasteful number, since it uses less digits than its factorization.

102556038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314839.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 102556038 is about 10126.9955070593. The cubic root of 102556038 is about 468.0803518255.

The spelling of 102556038 in words is "one hundred two million, five hundred fifty-six thousand, thirty-eight".