124372005 has 32 divisors (see below), whose sum is σ = 210349440. Its totient is φ = 62576640.

The previous prime is 124371997. The next prime is 124372009. The reversal of 124372005 is 500273421.

It is not a de Polignac number, because 124372005 - 2³ = 124371997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124372009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79309 + ... + 80861.

It is an arithmetic number, because the mean of its divisors is an integer number (6573420).

Almost surely, 2^124372005 is an apocalyptic number.

124372005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124372005 is a deficient number, since it is larger than the sum of its proper divisors (85977435).

124372005 is a wasteful number, since it uses less digits than its factorization.

124372005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 124372005 is about 11152.2197342054. The cubic root of 124372005 is about 499.1612671745.

The spelling of 124372005 in words is "one hundred twenty-four million, three hundred seventy-two thousand, five".