102565122 has 32 divisors (see below), whose sum is σ = 224308224. Its totient is φ = 31006800.

The previous prime is 102565121. The next prime is 102565153. The reversal of 102565122 is 221565201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102565092 and 102565101.

It is not an unprimeable number, because it can be changed into a prime (102565121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30547 + ... + 33737.

It is an arithmetic number, because the mean of its divisors is an integer number (7009632).

Almost surely, 2^102565122 is an apocalyptic number.

102565122 is an abundant number, since it is smaller than the sum of its proper divisors (121743102).

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

102565122 is a wasteful number, since it uses less digits than its factorization.

102565122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 102565122 is about 10127.4440013263. Note that the first 3 decimals coincide. The cubic root of 102565122 is about 468.0941716404.

The spelling of 102565122 in words is "one hundred two million, five hundred sixty-five thousand, one hundred twenty-two".