126943925 has 6 divisors (see below), whose sum is σ = 157410498. Its totient is φ = 101555120.

The previous prime is 126943871. The next prime is 126943939. The reversal of 126943925 is 529349621.

It can be written as a sum of positive squares in 3 ways, for example, as 1100401 + 125843524 = 1049^2 + 11218^2 .

It is a de Polignac number, because none of the positive numbers 2^k-126943925 is a prime.

It is a super-2 number, since 2×126943925² = 32229520188811250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2538854 + ... + 2538903.

It is an arithmetic number, because the mean of its divisors is an integer number (26235083).

Almost surely, 2^126943925 is an apocalyptic number.

It is an amenable number.

126943925 is a deficient number, since it is larger than the sum of its proper divisors (30466573).

126943925 is an equidigital number, since it uses as much as digits as its factorization.

126943925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077767 (or 5077762 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 126943925 is about 11266.9394690839. The cubic root of 126943925 is about 502.5785790005.

The spelling of 126943925 in words is "one hundred twenty-six million, nine hundred forty-three thousand, nine hundred twenty-five".