124705072 has 20 divisors (see below), whose sum is σ = 243383976. Its totient is φ = 61896320.

The previous prime is 124705069. The next prime is 124705073. The reversal of 124705072 is 270507421.

It is a self number, because there is not a number n which added to its sum of digits gives 124705072.

It is not an unprimeable number, because it can be changed into a prime (124705073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26254 + ... + 30637.

Almost surely, 2^124705072 is an apocalyptic number.

It is an amenable number.

124705072 is a deficient number, since it is larger than the sum of its proper divisors (118678904).

124705072 is a wasteful number, since it uses less digits than its factorization.

124705072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57036 (or 57030 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 124705072 is about 11167.1425172244. The cubic root of 124705072 is about 499.6064529894.

The spelling of 124705072 in words is "one hundred twenty-four million, seven hundred five thousand, seventy-two".