125289867 has 8 divisors (see below), whose sum is σ = 167340096. Its totient is φ = 83383112.

The previous prime is 125289859. The next prime is 125289877. The reversal of 125289867 is 768982521.

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

It is a cyclic number.

It is not a de Polignac number, because 125289867 - 2³ = 125289859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125289877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33813 + ... + 37334.

It is an arithmetic number, because the mean of its divisors is an integer number (20917512).

Almost surely, 2^125289867 is an apocalyptic number.

125289867 is a deficient number, since it is larger than the sum of its proper divisors (42050229).

125289867 is an equidigital number, since it uses as much as digits as its factorization.

125289867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71737.

The product of its digits is 483840, while the sum is 48.

The square root of 125289867 is about 11193.2956272940. The cubic root of 125289867 is about 500.3861909696.

It can be divided in two parts, 1252 and 89867, that added together give a palindrome (91119).

The spelling of 125289867 in words is "one hundred twenty-five million, two hundred eighty-nine thousand, eight hundred sixty-seven".