126874431 has 16 divisors (see below), whose sum is σ = 190285920. Its totient is φ = 84581496.

The previous prime is 126874403. The next prime is 126874453. The reversal of 126874431 is 134478621.

It is not a de Polignac number, because 126874431 - 2¹³ = 126866239 is a prime.

It is a super-2 number, since 2×126874431² = 32194242483147522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126874481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26820 + ... + 31193.

It is an arithmetic number, because the mean of its divisors is an integer number (11892870).

Almost surely, 2^126874431 is an apocalyptic number.

126874431 is a deficient number, since it is larger than the sum of its proper divisors (63411489).

126874431 is an frugal number, since it uses more digits than its factorization.

126874431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58034 (or 58016 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 126874431 is about 11263.8550683148. The cubic root of 126874431 is about 502.4868519616.

The spelling of 126874431 in words is "one hundred twenty-six million, eight hundred seventy-four thousand, four hundred thirty-one".