125748461 has 2 divisors, whose sum is σ = 125748462. Its totient is φ = 125748460.

The previous prime is 125748457. The next prime is 125748563. The reversal of 125748461 is 164847521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108889225 + 16859236 = 10435^2 + 4106^2 .

It is a cyclic number.

It is not a de Polignac number, because 125748461 - 2² = 125748457 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125748361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62874230 + 62874231.

It is an arithmetic number, because the mean of its divisors is an integer number (62874231).

Almost surely, 2^125748461 is an apocalyptic number.

It is an amenable number.

125748461 is a deficient number, since it is larger than the sum of its proper divisors (1).

125748461 is an equidigital number, since it uses as much as digits as its factorization.

125748461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 125748461 is about 11213.7621251746. The cubic root of 125748461 is about 500.9959627990.

The spelling of 125748461 in words is "one hundred twenty-five million, seven hundred forty-eight thousand, four hundred sixty-one".