125050591 has 2 divisors, whose sum is σ = 125050592. Its totient is φ = 125050590.

The previous prime is 125050573. The next prime is 125050613. The reversal of 125050591 is 195050521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125050591 - 2⁷ = 125050463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125050501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62525295 + 62525296.

It is an arithmetic number, because the mean of its divisors is an integer number (62525296).

Almost surely, 2^125050591 is an apocalyptic number.

125050591 is a deficient number, since it is larger than the sum of its proper divisors (1).

125050591 is an equidigital number, since it uses as much as digits as its factorization.

125050591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 125050591 is about 11182.6021569222. The cubic root of 125050591 is about 500.0674455684.

The spelling of 125050591 in words is "one hundred twenty-five million, fifty thousand, five hundred ninety-one".