126254120 has 32 divisors (see below), whose sum is σ = 285966720. Its totient is φ = 50164800.

The previous prime is 126254113. The next prime is 126254137. The reversal of 126254120 is 21452621.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4412 + ... + 16491.

It is an arithmetic number, because the mean of its divisors is an integer number (8936460).

Almost surely, 2^126254120 is an apocalyptic number.

126254120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126254120 is an abundant number, since it is smaller than the sum of its proper divisors (159712600).

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

126254120 is a wasteful number, since it uses less digits than its factorization.

126254120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21065 (or 21061 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 126254120 is about 11236.2858632201. The cubic root of 126254120 is about 501.6665987253. Note that the first 3 decimals are identical.

The spelling of 126254120 in words is "one hundred twenty-six million, two hundred fifty-four thousand, one hundred twenty".