103209124 has 6 divisors (see below), whose sum is σ = 180615974. Its totient is φ = 51604560.

The previous prime is 103209107. The next prime is 103209163. The reversal of 103209124 is 421902301.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 186624 = 10150^2 + 432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103209095 and 103209104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12901137 + ... + 12901144.

Almost surely, 2^103209124 is an apocalyptic number.

It is an amenable number.

103209124 is a deficient number, since it is larger than the sum of its proper divisors (77406850).

103209124 is a wasteful number, since it uses less digits than its factorization.

103209124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25802285 (or 25802283 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 103209124 is about 10159.1891408714. The cubic root of 103209124 is about 469.0718426412.

The spelling of 103209124 in words is "one hundred three million, two hundred nine thousand, one hundred twenty-four".