125835659 has 2 divisors, whose sum is σ = 125835660. Its totient is φ = 125835658.

The previous prime is 125835629. The next prime is 125835679. The reversal of 125835659 is 956538521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125835659 - 2²⁰ = 124787083 is a prime.

It is a super-2 number, since 2×125835659² = 31669226151928562, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125835629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62917829 + 62917830.

It is an arithmetic number, because the mean of its divisors is an integer number (62917830).

Almost surely, 2^125835659 is an apocalyptic number.

125835659 is a deficient number, since it is larger than the sum of its proper divisors (1).

125835659 is an equidigital number, since it uses as much as digits as its factorization.

125835659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 44.

The square root of 125835659 is about 11217.6494418394. The cubic root of 125835659 is about 501.1117382441. Note that the first 3 decimals are identical.

The spelling of 125835659 in words is "one hundred twenty-five million, eight hundred thirty-five thousand, six hundred fifty-nine".