124933805 has 4 divisors (see below), whose sum is σ = 149920572. Its totient is φ = 99947040.

The previous prime is 124933789. The next prime is 124933807. The reversal of 124933805 is 508339421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508339421 = 43 ⋅11821847.

It can be written as a sum of positive squares in 2 ways, for example, as 91049764 + 33884041 = 9542^2 + 5821^2 .

It is not a de Polignac number, because 124933805 - 2⁴ = 124933789 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 (124933807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12493376 + ... + 12493385.

It is an arithmetic number, because the mean of its divisors is an integer number (37480143).

Almost surely, 2^124933805 is an apocalyptic number.

It is an amenable number.

124933805 is a deficient number, since it is larger than the sum of its proper divisors (24986767).

124933805 is an equidigital number, since it uses as much as digits as its factorization.

124933805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24986766.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 124933805 is about 11177.3791650816. The cubic root of 124933805 is about 499.9117244158.

The spelling of 124933805 in words is "one hundred twenty-four million, nine hundred thirty-three thousand, eight hundred five".