102131124 has 24 divisors (see below), whose sum is σ = 242346720. Its totient is φ = 33466464.

The previous prime is 102131119. The next prime is 102131131. The reversal of 102131124 is 421131201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71419 + ... + 72834.

It is an arithmetic number, because the mean of its divisors is an integer number (10097780).

Almost surely, 2^102131124 is an apocalyptic number.

It is an amenable number.

102131124 is an abundant number, since it is smaller than the sum of its proper divisors (140215596).

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

102131124 is a wasteful number, since it uses less digits than its factorization.

102131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144319 (or 144317 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 102131124 is about 10105.9944587359. The cubic root of 102131124 is about 467.4330009699.

Adding to 102131124 its reverse (421131201), we get a palindrome (523262325).

The spelling of 102131124 in words is "one hundred two million, one hundred thirty-one thousand, one hundred twenty-four".