125394877 has 2 divisors, whose sum is σ = 125394878. Its totient is φ = 125394876.

The previous prime is 125394791. The next prime is 125394931. The reversal of 125394877 is 778493521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73856836 + 51538041 = 8594^2 + 7179^2 .

It is a cyclic number.

It is not a de Polignac number, because 125394877 - 2²³ = 117006269 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 (125394077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62697438 + 62697439.

It is an arithmetic number, because the mean of its divisors is an integer number (62697439).

Almost surely, 2^125394877 is an apocalyptic number.

It is an amenable number.

125394877 is a deficient number, since it is larger than the sum of its proper divisors (1).

125394877 is an equidigital number, since it uses as much as digits as its factorization.

125394877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 125394877 is about 11197.9853991689. The cubic root of 125394877 is about 500.5259492275.

The spelling of 125394877 in words is "one hundred twenty-five million, three hundred ninety-four thousand, eight hundred seventy-seven".