124408405 has 16 divisors (see below), whose sum is σ = 168480000. Its totient is φ = 87357760.

The previous prime is 124408399. The next prime is 124408411. The reversal of 124408405 is 504804421.

It is an interprime number because it is at equal distance from previous prime (124408399) and next prime (124408411).

It is not a de Polignac number, because 124408405 - 2¹⁵ = 124375637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37405 + ... + 40594.

It is an arithmetic number, because the mean of its divisors is an integer number (10530000).

Almost surely, 2^124408405 is an apocalyptic number.

It is an amenable number.

124408405 is a deficient number, since it is larger than the sum of its proper divisors (44071595).

124408405 is a wasteful number, since it uses less digits than its factorization.

124408405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78044.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 124408405 is about 11153.8515769218. The cubic root of 124408405 is about 499.2099589946.

The spelling of 124408405 in words is "one hundred twenty-four million, four hundred eight thousand, four hundred five".