124142804 has 12 divisors (see below), whose sum is σ = 217328244. Its totient is φ = 62049024.

The previous prime is 124142779. The next prime is 124142819. The reversal of 124142804 is 408241421.

It can be written as a sum of positive squares in 2 ways, for example, as 100600900 + 23541904 = 10030^2 + 4852^2 .

It is a super-2 number, since 2×124142804² = 30822871569964832, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 17252 + ... + 23364.

It is an arithmetic number, because the mean of its divisors is an integer number (18110687).

Almost surely, 2^124142804 is an apocalyptic number.

It is an amenable number.

124142804 is a deficient number, since it is larger than the sum of its proper divisors (93185440).

124142804 is a wasteful number, since it uses less digits than its factorization.

124142804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194 (or 11192 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 124142804 is about 11141.9389694972. The cubic root of 124142804 is about 498.8544494322.

The spelling of 124142804 in words is "one hundred twenty-four million, one hundred forty-two thousand, eight hundred four".