125321769 has 32 divisors (see below), whose sum is σ = 189728000. Its totient is φ = 81741312.

The previous prime is 125321767. The next prime is 125321771. The reversal of 125321769 is 967123521.

It is an interprime number because it is at equal distance from previous prime (125321767) and next prime (125321771).

It is not a de Polignac number, because 125321769 - 2¹ = 125321767 is a prime.

It is a super-2 number, since 2×125321769² = 31411091570578722, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (22680) is a multiple of the sum of its prime divisors (648).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125321767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285252 + ... + 285690.

It is an arithmetic number, because the mean of its divisors is an integer number (5929000).

Almost surely, 2^125321769 is an apocalyptic number.

It is an amenable number.

125321769 is a deficient number, since it is larger than the sum of its proper divisors (64406231).

125321769 is a wasteful number, since it uses less digits than its factorization.

125321769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 648 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 125321769 is about 11194.7205860620. The cubic root of 125321769 is about 500.4286577334.

The spelling of 125321769 in words is "one hundred twenty-five million, three hundred twenty-one thousand, seven hundred sixty-nine".