124638494 has 8 divisors (see below), whose sum is σ = 190022808. Its totient is φ = 61297560.

The previous prime is 124638487. The next prime is 124638497. The reversal of 124638494 is 494836421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124638497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510692 + ... + 510935.

It is an arithmetic number, because the mean of its divisors is an integer number (23752851).

Almost surely, 2^124638494 is an apocalyptic number.

124638494 is a deficient number, since it is larger than the sum of its proper divisors (65384314).

124638494 is a wasteful number, since it uses less digits than its factorization.

124638494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021690.

The product of its digits is 165888, while the sum is 41.

The square root of 124638494 is about 11164.1611417965. The cubic root of 124638494 is about 499.5175265886.

The spelling of 124638494 in words is "one hundred twenty-four million, six hundred thirty-eight thousand, four hundred ninety-four".