126431424 has 84 divisors (see below), whose sum is σ = 414176464. Its totient is φ = 36122112.

The previous prime is 126431381. The next prime is 126431443. The reversal of 126431424 is 424134621.

It is a happy number.

126431424 is a `hidden beast` number, since 1 + 2 + 643 + 14 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

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, 11647 + ... + 19710.

Almost surely, 2^126431424 is an apocalyptic number.

126431424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126431424 is an abundant number, since it is smaller than the sum of its proper divisors (287745040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126431424 is a wasteful number, since it uses less digits than its factorization.

126431424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31382 (or 31369 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 126431424 is about 11244.1728908800. The cubic root of 126431424 is about 501.9013260871.

The spelling of 126431424 in words is "one hundred twenty-six million, four hundred thirty-one thousand, four hundred twenty-four".