124378942 has 8 divisors (see below), whose sum is σ = 187821000. Its totient is φ = 61771944.

The previous prime is 124378937. The next prime is 124378951. The reversal of 124378942 is 249873421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 124378895 and 124378904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208392 + ... + 208987.

It is an arithmetic number, because the mean of its divisors is an integer number (23477625).

Almost surely, 2^124378942 is an apocalyptic number.

124378942 is a deficient number, since it is larger than the sum of its proper divisors (63442058).

124378942 is a wasteful number, since it uses less digits than its factorization.

124378942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417530.

The product of its digits is 96768, while the sum is 40.

The square root of 124378942 is about 11152.5307441854. The cubic root of 124378942 is about 499.1705474445.

The spelling of 124378942 in words is "one hundred twenty-four million, three hundred seventy-eight thousand, nine hundred forty-two".