126504427 has 12 divisors (see below), whose sum is σ = 148154400. Its totient is φ = 107698416.

The previous prime is 126504421. The next prime is 126504431. The reversal of 126504427 is 724405621.

It is not a de Polignac number, because 126504427 - 2¹⁵ = 126471659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126504421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1363 + ... + 15964.

It is an arithmetic number, because the mean of its divisors is an integer number (12346200).

Almost surely, 2^126504427 is an apocalyptic number.

126504427 is a deficient number, since it is larger than the sum of its proper divisors (21649973).

126504427 is a wasteful number, since it uses less digits than its factorization.

126504427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17490 (or 17483 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 126504427 is about 11247.4186816354. The cubic root of 126504427 is about 501.9979087546.

The spelling of 126504427 in words is "one hundred twenty-six million, five hundred four thousand, four hundred twenty-seven".