126424539 has 24 divisors (see below), whose sum is σ = 185989232. Its totient is φ = 82736640.

The previous prime is 126424489. The next prime is 126424549. The reversal of 126424539 is 935424621.

It is a happy number.

126424539 is a `hidden beast` number, since 1 + 2 + 642 + 4 + 5 + 3 + 9 = 666.

It is not a de Polignac number, because 126424539 - 2⁸ = 126424283 is a prime.

It is a super-2 number, since 2×126424539² = 31966328122725042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126424549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221124 + ... + 221694.

Almost surely, 2^126424539 is an apocalyptic number.

126424539 is a deficient number, since it is larger than the sum of its proper divisors (59564693).

126424539 is a wasteful number, since it uses less digits than its factorization.

126424539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 984 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 126424539 is about 11243.8667281323. The cubic root of 126424539 is about 501.8922153421.

The spelling of 126424539 in words is "one hundred twenty-six million, four hundred twenty-four thousand, five hundred thirty-nine".