125355859 has 2 divisors, whose sum is σ = 125355860. Its totient is φ = 125355858.

The previous prime is 125355851. The next prime is 125355887. The reversal of 125355859 is 958553521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125355859 - 2³ = 125355851 is a prime.

It is not a weakly prime, because it can be changed into another prime (125355851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62677929 + 62677930.

It is an arithmetic number, because the mean of its divisors is an integer number (62677930).

Almost surely, 2^125355859 is an apocalyptic number.

125355859 is a deficient number, since it is larger than the sum of its proper divisors (1).

125355859 is an equidigital number, since it uses as much as digits as its factorization.

125355859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 43.

The square root of 125355859 is about 11196.2430752463. The cubic root of 125355859 is about 500.4740291174.

The spelling of 125355859 in words is "one hundred twenty-five million, three hundred fifty-five thousand, eight hundred fifty-nine".