124690772 has 6 divisors (see below), whose sum is σ = 218208858. Its totient is φ = 62345384.

The previous prime is 124690763. The next prime is 124690781. The reversal of 124690772 is 277096421.

It is an interprime number because it is at equal distance from previous prime (124690763) and next prime (124690781).

It can be written as a sum of positive squares in only one way, i.e., 69989956 + 54700816 = 8366^2 + 7396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15586343 + ... + 15586350.

It is an arithmetic number, because the mean of its divisors is an integer number (36368143).

Almost surely, 2^124690772 is an apocalyptic number.

It is an amenable number.

124690772 is a deficient number, since it is larger than the sum of its proper divisors (93518086).

124690772 is a wasteful number, since it uses less digits than its factorization.

124690772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31172697 (or 31172695 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 124690772 is about 11166.5022276450. The cubic root of 124690772 is about 499.5873555428.

The spelling of 124690772 in words is "one hundred twenty-four million, six hundred ninety thousand, seven hundred seventy-two".