125973261 has 12 divisors (see below), whose sum is σ = 182424892. Its totient is φ = 83768256.

The previous prime is 125973257. The next prime is 125973269. The reversal of 125973261 is 162379521.

125973261 is a `hidden beast` number, since 1 + 2 + 597 + 3 + 2 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33698025 + 92275236 = 5805^2 + 9606^2 .

It is not a de Polignac number, because 125973261 - 2² = 125973257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125973269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14056 + ... + 21201.

Almost surely, 2^125973261 is an apocalyptic number.

It is an amenable number.

125973261 is a deficient number, since it is larger than the sum of its proper divisors (56451631).

125973261 is a wasteful number, since it uses less digits than its factorization.

125973261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35660 (or 35657 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 125973261 is about 11223.7810474011. The cubic root of 125973261 is about 501.2943278729.

The spelling of 125973261 in words is "one hundred twenty-five million, nine hundred seventy-three thousand, two hundred sixty-one".