125051477 has 2 divisors, whose sum is σ = 125051478. Its totient is φ = 125051476.

The previous prime is 125051461. The next prime is 125051491. The reversal of 125051477 is 774150521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123854641 + 1196836 = 11129^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 125051477 - 2⁴ = 125051461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125051177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62525738 + 62525739.

It is an arithmetic number, because the mean of its divisors is an integer number (62525739).

Almost surely, 2^125051477 is an apocalyptic number.

It is an amenable number.

125051477 is a deficient number, since it is larger than the sum of its proper divisors (1).

125051477 is an equidigital number, since it uses as much as digits as its factorization.

125051477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 125051477 is about 11182.6417719607. The cubic root of 125051477 is about 500.0686265804.

The spelling of 125051477 in words is "one hundred twenty-five million, fifty-one thousand, four hundred seventy-seven".