125670387 has 8 divisors (see below), whose sum is σ = 169288336. Its totient is φ = 82916352.

The previous prime is 125670379. The next prime is 125670397. The reversal of 125670387 is 783076521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125670387 - 2³ = 125670379 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125670397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215638 + ... + 216219.

It is an arithmetic number, because the mean of its divisors is an integer number (21161042).

Almost surely, 2^125670387 is an apocalyptic number.

125670387 is a deficient number, since it is larger than the sum of its proper divisors (43617949).

125670387 is an equidigital number, since it uses as much as digits as its factorization.

125670387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431957.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 125670387 is about 11210.2804157612. The cubic root of 125670387 is about 500.8922561442.

The spelling of 125670387 in words is "one hundred twenty-five million, six hundred seventy thousand, three hundred eighty-seven".