125882169 has 16 divisors (see below), whose sum is σ = 192672768. Its totient is φ = 71613072.

The previous prime is 125882147. The next prime is 125882189. The reversal of 125882169 is 961288521.

It is a happy number.

It is not a de Polignac number, because 125882169 - 2⁵ = 125882137 is a prime.

It is a super-2 number, since 2×125882169² = 31692640944289122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125882169.

It is not an unprimeable number, because it can be changed into a prime (125882189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8437 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (12042048).

Almost surely, 2^125882169 is an apocalyptic number.

It is an amenable number.

125882169 is a deficient number, since it is larger than the sum of its proper divisors (66790599).

125882169 is a wasteful number, since it uses less digits than its factorization.

125882169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26644.

The product of its digits is 69120, while the sum is 42.

The square root of 125882169 is about 11219.7223227672. The cubic root of 125882169 is about 501.1734691192.

The spelling of 125882169 in words is "one hundred twenty-five million, eight hundred eighty-two thousand, one hundred sixty-nine".