126133625 has 16 divisors (see below), whose sum is σ = 166677264. Its totient is φ = 94969600.

The previous prime is 126133621. The next prime is 126133627. The reversal of 126133625 is 526331621.

It can be written as a sum of positive squares in 8 ways, for example, as 23658496 + 102475129 = 4864^2 + 10123^2 .

It is not a de Polignac number, because 126133625 - 2² = 126133621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126133621) 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, 27554 + ... + 31803.

It is an arithmetic number, because the mean of its divisors is an integer number (10417329).

Almost surely, 2^126133625 is an apocalyptic number.

It is an amenable number.

126133625 is a deficient number, since it is larger than the sum of its proper divisors (40543639).

126133625 is an equidigital number, since it uses as much as digits as its factorization.

126133625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59389 (or 59379 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 126133625 is about 11230.9227136509. The cubic root of 126133625 is about 501.5069536187.

The spelling of 126133625 in words is "one hundred twenty-six million, one hundred thirty-three thousand, six hundred twenty-five".