125830669 has 2 divisors, whose sum is σ = 125830670. Its totient is φ = 125830668.

The previous prime is 125830637. The next prime is 125830687. The reversal of 125830669 is 966038521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64208169 + 61622500 = 8013^2 + 7850^2 .

It is a cyclic number.

It is not a de Polignac number, because 125830669 - 2⁵ = 125830637 is a prime.

It is a super-2 number, since 2×125830669² = 31666714521975122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125830619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62915334 + 62915335.

It is an arithmetic number, because the mean of its divisors is an integer number (62915335).

Almost surely, 2^125830669 is an apocalyptic number.

It is an amenable number.

125830669 is a deficient number, since it is larger than the sum of its proper divisors (1).

125830669 is an equidigital number, since it uses as much as digits as its factorization.

125830669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 125830669 is about 11217.4270222721. The cubic root of 125830669 is about 501.1051143118.

The spelling of 125830669 in words is "one hundred twenty-five million, eight hundred thirty thousand, six hundred sixty-nine".