124839946 has 24 divisors (see below), whose sum is σ = 237638016. Its totient is φ = 48638520.

The previous prime is 124839901. The next prime is 124839971. The reversal of 124839946 is 649938421.

It is a junction number, because it is equal to n+sod(n) for n = 124839896 and 124839905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56826 + ... + 58981.

It is an arithmetic number, because the mean of its divisors is an integer number (9901584).

Almost surely, 2^124839946 is an apocalyptic number.

124839946 is a deficient number, since it is larger than the sum of its proper divisors (112798070).

124839946 is a wasteful number, since it uses less digits than its factorization.

124839946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115834 (or 115827 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 124839946 is about 11173.1797622700. The cubic root of 124839946 is about 499.7865035181.

The spelling of 124839946 in words is "one hundred twenty-four million, eight hundred thirty-nine thousand, nine hundred forty-six".