126252538 has 8 divisors (see below), whose sum is σ = 189668160. Its totient is φ = 63029820.

The previous prime is 126252517. The next prime is 126252563. The reversal of 126252538 is 835252621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46578 + ... + 49213.

It is an arithmetic number, because the mean of its divisors is an integer number (23708520).

Almost surely, 2^126252538 is an apocalyptic number.

126252538 is a deficient number, since it is larger than the sum of its proper divisors (63415622).

126252538 is an equidigital number, since it uses as much as digits as its factorization.

126252538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96452.

The product of its digits is 28800, while the sum is 34.

The square root of 126252538 is about 11236.2154660722. The cubic root of 126252538 is about 501.6645033749.

The spelling of 126252538 in words is "one hundred twenty-six million, two hundred fifty-two thousand, five hundred thirty-eight".