124778908136 has 16 divisors (see below), whose sum is σ = 233965422240. Its totient is φ = 62388128880.

The previous prime is 124778908129. The next prime is 124778908207. The reversal of 124778908136 is 631809877421.

It is a super-2 number, since 2×124778908136² (a number of 23 digits) contains 22 as substring.

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, 317381 + ... + 591851.

It is an arithmetic number, because the mean of its divisors is an integer number (14622838890).

Almost surely, 2^124778908136 is an apocalyptic number.

It is an amenable number.

124778908136 is a deficient number, since it is larger than the sum of its proper divisors (109186514104).

124778908136 is a wasteful number, since it uses less digits than its factorization.

124778908136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331304 (or 331300 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 124778908136 in words is "one hundred twenty-four billion, seven hundred seventy-eight million, nine hundred eight thousand, one hundred thirty-six".