124057407 has 4 divisors (see below), whose sum is σ = 165409880. Its totient is φ = 82704936.

The previous prime is 124057357. The next prime is 124057421. The reversal of 124057407 is 704750421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 124057407 - 2⁶ = 124057343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124057477) 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 3 ways as a sum of consecutive naturals, for example, 20676232 + ... + 20676237.

It is an arithmetic number, because the mean of its divisors is an integer number (41352470).

Almost surely, 2^124057407 is an apocalyptic number.

124057407 is a deficient number, since it is larger than the sum of its proper divisors (41352473).

124057407 is an equidigital number, since it uses as much as digits as its factorization.

124057407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41352472.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 124057407 is about 11138.1060777854. The cubic root of 124057407 is about 498.7400369867.

The spelling of 124057407 in words is "one hundred twenty-four million, fifty-seven thousand, four hundred seven".