125051959 has 2 divisors, whose sum is σ = 125051960. Its totient is φ = 125051958.

The previous prime is 125051957. The next prime is 125051981. The reversal of 125051959 is 959150521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125051959 - 2¹ = 125051957 is a prime.

Together with 125051957, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125051957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62525979 + 62525980.

It is an arithmetic number, because the mean of its divisors is an integer number (62525980).

Almost surely, 2^125051959 is an apocalyptic number.

125051959 is a deficient number, since it is larger than the sum of its proper divisors (1).

125051959 is an equidigital number, since it uses as much as digits as its factorization.

125051959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 125051959 is about 11182.6633231981. The cubic root of 125051959 is about 500.0692690698.

The spelling of 125051959 in words is "one hundred twenty-five million, fifty-one thousand, nine hundred fifty-nine".