125854034167 has 4 divisors (see below), whose sum is σ = 131325948720. Its totient is φ = 120382119616.

The previous prime is 125854034123. The next prime is 125854034179. The reversal of 125854034167 is 761430458521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761430458521 = 13397 ⋅56835893.

It is a cyclic number.

It is not a de Polignac number, because 125854034167 - 2²³ = 125845645559 is a prime.

It is a super-2 number, since 2×125854034167² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125854034197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735957242 + ... + 2735957287.

It is an arithmetic number, because the mean of its divisors is an integer number (32831487180).

Almost surely, 2^125854034167 is an apocalyptic number.

125854034167 is a deficient number, since it is larger than the sum of its proper divisors (5471914553).

125854034167 is an equidigital number, since it uses as much as digits as its factorization.

125854034167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471914552.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 125854034167 in words is "one hundred twenty-five billion, eight hundred fifty-four million, thirty-four thousand, one hundred sixty-seven".