126452557 has 16 divisors (see below), whose sum is σ = 163094400. Its totient is φ = 95135040.

The previous prime is 126452549. The next prime is 126452561. The reversal of 126452557 is 755254621.

It is not a de Polignac number, because 126452557 - 2³ = 126452549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126452257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26082 + ... + 30547.

It is an arithmetic number, because the mean of its divisors is an integer number (10193400).

Almost surely, 2^126452557 is an apocalyptic number.

It is an amenable number.

126452557 is a deficient number, since it is larger than the sum of its proper divisors (36641843).

126452557 is a wasteful number, since it uses less digits than its factorization.

126452557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56676.

The product of its digits is 84000, while the sum is 37.

The square root of 126452557 is about 11245.1125828068. The cubic root of 126452557 is about 501.9292887814.

The spelling of 126452557 in words is "one hundred twenty-six million, four hundred fifty-two thousand, five hundred fifty-seven".