125446981167 has 24 divisors (see below), whose sum is σ = 191191269360. Its totient is φ = 79041432960.

The previous prime is 125446981109. The next prime is 125446981183. The reversal of 125446981167 is 761189644521.

125446981167 is a `hidden beast` number, since 1 + 2 + 544 + 6 + 9 + 81 + 16 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-125446981167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125446981567) 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 23 ways as a sum of consecutive naturals, for example, 799278 + ... + 943259.

It is an arithmetic number, because the mean of its divisors is an integer number (7966302890).

Almost surely, 2^125446981167 is an apocalyptic number.

125446981167 is a deficient number, since it is larger than the sum of its proper divisors (65744288193).

125446981167 is a wasteful number, since it uses less digits than its factorization.

125446981167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742983 (or 1742980 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 125446981167 in words is "one hundred twenty-five billion, four hundred forty-six million, nine hundred eighty-one thousand, one hundred sixty-seven".