126943625 has 8 divisors (see below), whose sum is σ = 158425800. Its totient is φ = 101554800.

The previous prime is 126943591. The next prime is 126943657. The reversal of 126943625 is 526349621.

It can be written as a sum of positive squares in 4 ways, for example, as 12475024 + 114468601 = 3532^2 + 10699^2 .

It is not a de Polignac number, because 126943625 - 2⁶ = 126943561 is a prime.

It is a super-2 number, since 2×126943625² = 32229367856281250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507650 + ... + 507899.

It is an arithmetic number, because the mean of its divisors is an integer number (19803225).

Almost surely, 2^126943625 is an apocalyptic number.

It is an amenable number.

126943625 is a deficient number, since it is larger than the sum of its proper divisors (31482175).

126943625 is an equidigital number, since it uses as much as digits as its factorization.

126943625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015564 (or 1015554 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 126943625 is about 11266.9261557889. The cubic root of 126943625 is about 502.5781830942.

The spelling of 126943625 in words is "one hundred twenty-six million, nine hundred forty-three thousand, six hundred twenty-five".