3125121167 has 12 divisors (see below), whose sum is σ = 3685148496. Its totient is φ = 2641978080.

The previous prime is 3125121163. The next prime is 3125121179. The reversal of 3125121167 is 7611215213.

It is not a de Polignac number, because 3125121167 - 2² = 3125121163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125121163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433259 + ... + 440412.

It is an arithmetic number, because the mean of its divisors is an integer number (307095708).

Almost surely, 2^3125121167 is an apocalyptic number.

3125121167 is a deficient number, since it is larger than the sum of its proper divisors (560027329).

3125121167 is an equidigital number, since it uses as much as digits as its factorization.

3125121167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873758 (or 873751 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 3125121167 is about 55902.7831775843. The cubic root of 3125121167 is about 1462.0277645666.

The spelling of 3125121167 in words is "three billion, one hundred twenty-five million, one hundred twenty-one thousand, one hundred sixty-seven".