124707442 has 4 divisors (see below), whose sum is σ = 187061166. Its totient is φ = 62353720.

The previous prime is 124707419. The next prime is 124707491. The reversal of 124707442 is 244707421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73599241 + 51108201 = 8579^2 + 7149^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31176859 + ... + 31176862.

Almost surely, 2^124707442 is an apocalyptic number.

124707442 is a deficient number, since it is larger than the sum of its proper divisors (62353724).

124707442 is an equidigital number, since it uses as much as digits as its factorization.

124707442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62353723.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 124707442 is about 11167.2486316013. The cubic root of 124707442 is about 499.6096179497.

The spelling of 124707442 in words is "one hundred twenty-four million, seven hundred seven thousand, four hundred forty-two".