126552939 has 16 divisors (see below), whose sum is σ = 177936000. Its totient is φ = 79785216.

The previous prime is 126552929. The next prime is 126552953. The reversal of 126552939 is 939255621.

It is not a de Polignac number, because 126552939 - 2⁸ = 126552683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126552939.

It is not an unprimeable number, because it can be changed into a prime (126552919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36712 + ... + 40010.

It is an arithmetic number, because the mean of its divisors is an integer number (11121000).

Almost surely, 2^126552939 is an apocalyptic number.

126552939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

126552939 is a deficient number, since it is larger than the sum of its proper divisors (51383061).

126552939 is a wasteful number, since it uses less digits than its factorization.

126552939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994.

The product of its digits is 145800, while the sum is 42.

The square root of 126552939 is about 11249.5750586411. The cubic root of 126552939 is about 502.0620693821.

The spelling of 126552939 in words is "one hundred twenty-six million, five hundred fifty-two thousand, nine hundred thirty-nine".