102056402 has 32 divisors (see below), whose sum is σ = 182283264. Its totient is φ = 41932800.

The previous prime is 102056401. The next prime is 102056431. The reversal of 102056402 is 204650201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102056401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48002 + ... + 50082.

It is an arithmetic number, because the mean of its divisors is an integer number (5696352).

Almost surely, 2^102056402 is an apocalyptic number.

102056402 is a deficient number, since it is larger than the sum of its proper divisors (80226862).

102056402 is a wasteful number, since it uses less digits than its factorization.

102056402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102056402 is about 10102.2968675445. The cubic root of 102056402 is about 467.3189774519.

The spelling of 102056402 in words is "one hundred two million, fifty-six thousand, four hundred two".