126724275 has 18 divisors (see below), whose sum is σ = 226977660. Its totient is φ = 67586160.

The previous prime is 126724259. The next prime is 126724309. The reversal of 126724275 is 572427621.

It is a happy number.

It is not a de Polignac number, because 126724275 - 2⁴ = 126724259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 281385 + ... + 281834.

It is an arithmetic number, because the mean of its divisors is an integer number (12609870).

Almost surely, 2^126724275 is an apocalyptic number.

126724275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126724275 is a deficient number, since it is larger than the sum of its proper divisors (100253385).

126724275 is a wasteful number, since it uses less digits than its factorization.

126724275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563235 (or 563227 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 126724275 is about 11257.1877038628. The cubic root of 126724275 is about 502.2885424984.

The spelling of 126724275 in words is "one hundred twenty-six million, seven hundred twenty-four thousand, two hundred seventy-five".