125858417 has 2 divisors, whose sum is σ = 125858418. Its totient is φ = 125858416.

The previous prime is 125858401. The next prime is 125858431. The reversal of 125858417 is 714858521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124567921 + 1290496 = 11161^2 + 1136^2 .

It is a cyclic number.

It is not a de Polignac number, because 125858417 - 2⁴ = 125858401 is a prime.

It is a super-2 number, since 2×125858417² = 31680682259491778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125858437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62929208 + 62929209.

It is an arithmetic number, because the mean of its divisors is an integer number (62929209).

Almost surely, 2^125858417 is an apocalyptic number.

It is an amenable number.

125858417 is a deficient number, since it is larger than the sum of its proper divisors (1).

125858417 is an equidigital number, since it uses as much as digits as its factorization.

125858417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89600, while the sum is 41.

The square root of 125858417 is about 11218.6637796130. The cubic root of 125858417 is about 501.1419459334.

The spelling of 125858417 in words is "one hundred twenty-five million, eight hundred fifty-eight thousand, four hundred seventeen".