102620625 has 40 divisors (see below), whose sum is σ = 172444800. Its totient is φ = 54264000.

The previous prime is 102620603. The next prime is 102620627. The reversal of 102620625 is 526026201.

It is not a de Polignac number, because 102620625 - 2⁸ = 102620369 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102620595 and 102620604.

It is not an unprimeable number, because it can be changed into a prime (102620627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 429256 + ... + 429494.

It is an arithmetic number, because the mean of its divisors is an integer number (4311120).

Almost surely, 2^102620625 is an apocalyptic number.

102620625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102620625 is a deficient number, since it is larger than the sum of its proper divisors (69824175).

102620625 is an equidigital number, since it uses as much as digits as its factorization.

102620625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 102620625 is about 10130.1838581538. The cubic root of 102620625 is about 468.1785926250.

Adding to 102620625 its reverse (526026201), we get a palindrome (628646826).

The spelling of 102620625 in words is "one hundred two million, six hundred twenty thousand, six hundred twenty-five".