124640234 has 16 divisors (see below), whose sum is σ = 191546208. Its totient is φ = 60809232.

The previous prime is 124640233. The next prime is 124640237. The reversal of 124640234 is 432046421.

It is not an unprimeable number, because it can be changed into a prime (124640233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9992 + ... + 18684.

It is an arithmetic number, because the mean of its divisors is an integer number (11971638).

Almost surely, 2^124640234 is an apocalyptic number.

124640234 is a deficient number, since it is larger than the sum of its proper divisors (66905974).

124640234 is a wasteful number, since it uses less digits than its factorization.

124640234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 124640234 is about 11164.2390694574. The cubic root of 124640234 is about 499.5198510616.

Adding to 124640234 its reverse (432046421), we get a palindrome (556686655).

The spelling of 124640234 in words is "one hundred twenty-four million, six hundred forty thousand, two hundred thirty-four".