125225769 has 16 divisors (see below), whose sum is σ = 168470720. Its totient is φ = 82736640.

The previous prime is 125225743. The next prime is 125225819. The reversal of 125225769 is 967522521.

It is not a de Polignac number, because 125225769 - 2¹³ = 125217577 is a prime.

It is a super-2 number, since 2×125225769² = 31362986443282722, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (75600) is a multiple of the sum of its prime divisors (1080).

It is not an unprimeable number, because it can be changed into a prime (125225069) 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, 273789 + ... + 274245.

It is an arithmetic number, because the mean of its divisors is an integer number (10529420).

Almost surely, 2^125225769 is an apocalyptic number.

It is an amenable number.

125225769 is a deficient number, since it is larger than the sum of its proper divisors (43244951).

125225769 is a wasteful number, since it uses less digits than its factorization.

125225769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 75600, while the sum is 39.

The square root of 125225769 is about 11190.4320291935. The cubic root of 125225769 is about 500.3008442825.

The spelling of 125225769 in words is "one hundred twenty-five million, two hundred twenty-five thousand, seven hundred sixty-nine".