124878233 has 2 divisors, whose sum is σ = 124878234. Its totient is φ = 124878232.

The previous prime is 124878227. The next prime is 124878287. The reversal of 124878233 is 332878421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117332224 + 7546009 = 10832^2 + 2747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124878233 is a prime.

It is not a weakly prime, because it can be changed into another prime (124878433) 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 as a sum of consecutive naturals, namely, 62439116 + 62439117.

It is an arithmetic number, because the mean of its divisors is an integer number (62439117).

Almost surely, 2^124878233 is an apocalyptic number.

It is an amenable number.

124878233 is a deficient number, since it is larger than the sum of its proper divisors (1).

124878233 is an equidigital number, since it uses as much as digits as its factorization.

124878233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 38.

The square root of 124878233 is about 11174.8929748790. The cubic root of 124878233 is about 499.8375912525.

The spelling of 124878233 in words is "one hundred twenty-four million, eight hundred seventy-eight thousand, two hundred thirty-three".