124139104 has 12 divisors (see below), whose sum is σ = 244398924. Its totient is φ = 62069536.

The previous prime is 124139101. The next prime is 124139129. The reversal of 124139104 is 401931421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124139101) by changing a digit.

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 as a sum of consecutive naturals, namely, 1939642 + ... + 1939705.

It is an arithmetic number, because the mean of its divisors is an integer number (20366577).

Almost surely, 2^124139104 is an apocalyptic number.

It is an amenable number.

124139104 is a deficient number, since it is larger than the sum of its proper divisors (120259820).

124139104 is an equidigital number, since it uses as much as digits as its factorization.

124139104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879357 (or 3879349 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 124139104 is about 11141.7729289373. The cubic root of 124139104 is about 498.8494933662.

The spelling of 124139104 in words is "one hundred twenty-four million, one hundred thirty-nine thousand, one hundred four".