124274642 has 16 divisors (see below), whose sum is σ = 189567000. Its totient is φ = 61094400.

The previous prime is 124274617. The next prime is 124274653. The reversal of 124274642 is 246472421.

It can be written as a sum of positive squares in 4 ways, for example, as 114041041 + 10233601 = 10679^2 + 3199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124274599 and 124274608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28034 + ... + 32162.

Almost surely, 2^124274642 is an apocalyptic number.

124274642 is a deficient number, since it is larger than the sum of its proper divisors (65292358).

124274642 is a wasteful number, since it uses less digits than its factorization.

124274642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381.

The product of its digits is 21504, while the sum is 32.

The square root of 124274642 is about 11147.8536947701. The cubic root of 124274642 is about 499.0309792106.

The spelling of 124274642 in words is "one hundred twenty-four million, two hundred seventy-four thousand, six hundred forty-two".