102650925 has 48 divisors (see below), whose sum is σ = 184432640. Its totient is φ = 50077440.

The previous prime is 102650917. The next prime is 102650927. The reversal of 102650925 is 529056201.

It is a happy number.

It is not a de Polignac number, because 102650925 - 2³ = 102650917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102650892 and 102650901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102650927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123411 + ... + 124239.

Almost surely, 2^102650925 is an apocalyptic number.

102650925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102650925 is a deficient number, since it is larger than the sum of its proper divisors (81781715).

102650925 is a wasteful number, since it uses less digits than its factorization.

102650925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 102650925 is about 10131.6792783822. The cubic root of 102650925 is about 468.2246665840.

The spelling of 102650925 in words is "one hundred two million, six hundred fifty thousand, nine hundred twenty-five".