126254172 has 48 divisors (see below), whose sum is σ = 340284672. Its totient is φ = 36007680.

The previous prime is 126254147. The next prime is 126254203. The reversal of 126254172 is 271452621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25888 + ... + 30375.

It is an arithmetic number, because the mean of its divisors is an integer number (7089264).

Almost surely, 2^126254172 is an apocalyptic number.

126254172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126254172 is an abundant number, since it is smaller than the sum of its proper divisors (214030500).

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

126254172 is a wasteful number, since it uses less digits than its factorization.

126254172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56298 (or 56296 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 126254172 is about 11236.2881771517. The cubic root of 126254172 is about 501.6666675987. Note that the first 5 decimals are identical.

The spelling of 126254172 in words is "one hundred twenty-six million, two hundred fifty-four thousand, one hundred seventy-two".