125802179 has 2 divisors, whose sum is σ = 125802180. Its totient is φ = 125802178.

The previous prime is 125802163. The next prime is 125802197. The reversal of 125802179 is 971208521.

Together with next prime (125802197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125802179 - 2⁴ = 125802163 is a prime.

It is a super-2 number, since 2×125802179² = 31652376482296082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125802139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62901089 + 62901090.

It is an arithmetic number, because the mean of its divisors is an integer number (62901090).

Almost surely, 2^125802179 is an apocalyptic number.

125802179 is a deficient number, since it is larger than the sum of its proper divisors (1).

125802179 is an equidigital number, since it uses as much as digits as its factorization.

125802179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 125802179 is about 11216.1570513256. The cubic root of 125802179 is about 501.0672921539.

The spelling of 125802179 in words is "one hundred twenty-five million, eight hundred two thousand, one hundred seventy-nine".