124903904 has 12 divisors (see below), whose sum is σ = 245904624. Its totient is φ = 62451936.

The previous prime is 124903901. The next prime is 124903921. The reversal of 124903904 is 409309421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 3903247 = 124903904 / (1 + 2 + 4 + 9 + 0 + 3 + 9 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124903901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951592 + ... + 1951655.

It is an arithmetic number, because the mean of its divisors is an integer number (20492052).

Almost surely, 2^124903904 is an apocalyptic number.

It is an amenable number.

124903904 is a deficient number, since it is larger than the sum of its proper divisors (121000720).

124903904 is an equidigital number, since it uses as much as digits as its factorization.

124903904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903257 (or 3903249 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 124903904 is about 11176.0415174605. The cubic root of 124903904 is about 499.8718391524.

The spelling of 124903904 in words is "one hundred twenty-four million, nine hundred three thousand, nine hundred four".