102125330 has 16 divisors (see below), whose sum is σ = 184232664. Its totient is φ = 40759680.

The previous prime is 102125311. The next prime is 102125347. The reversal of 102125330 is 33521201.

It can be written as a sum of positive squares in 4 ways, for example, as 46607929 + 55517401 = 6827^2 + 7451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102125299 and 102125308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6467 + ... + 15686.

Almost surely, 2^102125330 is an apocalyptic number.

102125330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102125330 is a deficient number, since it is larger than the sum of its proper divisors (82107334).

102125330 is a wasteful number, since it uses less digits than its factorization.

102125330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22621.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 102125330 is about 10105.7077931236. The cubic root of 102125330 is about 467.4241614901.

Adding to 102125330 its reverse (33521201), we get a palindrome (135646531).

The spelling of 102125330 in words is "one hundred two million, one hundred twenty-five thousand, three hundred thirty".