124770399 has 16 divisors (see below), whose sum is σ = 179558400. Its totient is φ = 76610016.

The previous prime is 124770379. The next prime is 124770433. The reversal of 124770399 is 993077421.

It is not a de Polignac number, because 124770399 - 2⁵ = 124770367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124770399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124770329) 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 15 ways as a sum of consecutive naturals, for example, 15342 + ... + 22020.

It is an arithmetic number, because the mean of its divisors is an integer number (11222400).

Almost surely, 2^124770399 is an apocalyptic number.

124770399 is a deficient number, since it is larger than the sum of its proper divisors (54788001).

124770399 is a wasteful number, since it uses less digits than its factorization.

124770399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 124770399 is about 11170.0670991718. The cubic root of 124770399 is about 499.6936777050.

The spelling of 124770399 in words is "one hundred twenty-four million, seven hundred seventy thousand, three hundred ninety-nine".