125832987 has 16 divisors (see below), whose sum is σ = 213050880. Its totient is φ = 71904456.

The previous prime is 125832913. The next prime is 125833009. The reversal of 125832987 is 789238521.

It is a happy number.

It is not a de Polignac number, because 125832987 - 2¹⁵ = 125800219 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (125832907) 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, 332703 + ... + 333080.

It is an arithmetic number, because the mean of its divisors is an integer number (13315680).

Almost surely, 2^125832987 is an apocalyptic number.

125832987 is a deficient number, since it is larger than the sum of its proper divisors (87217893).

125832987 is an equidigital number, since it uses as much as digits as its factorization.

125832987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665799 (or 665793 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 125832987 is about 11217.5303431727. The cubic root of 125832987 is about 501.1081913426.

The spelling of 125832987 in words is "one hundred twenty-five million, eight hundred thirty-two thousand, nine hundred eighty-seven".