124042775 has 12 divisors (see below), whose sum is σ = 153976752. Its totient is φ = 99128640.

The previous prime is 124042741. The next prime is 124042799. The reversal of 124042775 is 577240421.

It is not a de Polignac number, because 124042775 - 2¹⁰ = 124041751 is a prime.

It is a super-2 number, since 2×124042775² = 30773220059401250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28547 + ... + 32603.

It is an arithmetic number, because the mean of its divisors is an integer number (12831396).

Almost surely, 2^124042775 is an apocalyptic number.

124042775 is a deficient number, since it is larger than the sum of its proper divisors (29933977).

124042775 is a wasteful number, since it uses less digits than its factorization.

124042775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 124042775 is about 11137.4492142501. The cubic root of 124042775 is about 498.7204281853.

The spelling of 124042775 in words is "one hundred twenty-four million, forty-two thousand, seven hundred seventy-five".