102620425225 has 12 divisors (see below), whose sum is σ = 127255052700. Its totient is φ = 82092646400.

The previous prime is 102620425211. The next prime is 102620425249. The reversal of 102620425225 is 522524026201.

It can be written as a sum of positive squares in 6 ways, for example, as 33458263056 + 69162162169 = 182916^2 + 262987^2 .

It is not a de Polignac number, because 102620425225 - 2⁹ = 102620424713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566601 + ... + 725449.

It is an arithmetic number, because the mean of its divisors is an integer number (10604587725).

Almost surely, 2^102620425225 is an apocalyptic number.

It is an amenable number.

102620425225 is a deficient number, since it is larger than the sum of its proper divisors (24634627475).

102620425225 is a wasteful number, since it uses less digits than its factorization.

102620425225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184700 (or 184695 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 102620425225 in words is "one hundred two billion, six hundred twenty million, four hundred twenty-five thousand, two hundred twenty-five".