125168672289 has 8 divisors (see below), whose sum is σ = 166894959712. Its totient is φ = 83444083200.

The previous prime is 125168672281. The next prime is 125168672311. The reversal of 125168672289 is 982276861521.

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

It is not a de Polignac number, because 125168672289 - 2³ = 125168672281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125168672281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241312 + ... + 555489.

It is an arithmetic number, because the mean of its divisors is an integer number (20861869964).

Almost surely, 2^125168672289 is an apocalyptic number.

It is an amenable number.

125168672289 is a deficient number, since it is larger than the sum of its proper divisors (41726287423).

125168672289 is an equidigital number, since it uses as much as digits as its factorization.

125168672289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849167.

The product of its digits is 5806080, while the sum is 57.

The spelling of 125168672289 in words is "one hundred twenty-five billion, one hundred sixty-eight million, six hundred seventy-two thousand, two hundred eighty-nine".