103920504 has 16 divisors (see below), whose sum is σ = 259801320. Its totient is φ = 34640160.

The previous prime is 103920451. The next prime is 103920517. The reversal of 103920504 is 405029301.

It is a super-2 number, since 2×103920504² = 21598942303228032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 4330021 = 103920504 / (1 + 0 + 3 + 9 + 2 + 0 + 5 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164987 + ... + 2165034.

Almost surely, 2^103920504 is an apocalyptic number.

It is an amenable number.

103920504 is an abundant number, since it is smaller than the sum of its proper divisors (155880816).

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

103920504 is a wasteful number, since it uses less digits than its factorization.

103920504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330030 (or 4330026 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 103920504 is about 10194.1406700124. The cubic root of 103920504 is about 470.1470853972.

Adding to 103920504 its reverse (405029301), we get a palindrome (508949805).

The spelling of 103920504 in words is "one hundred three million, nine hundred twenty thousand, five hundred four".