122891375 has 8 divisors (see below), whose sum is σ = 153368592. Its totient is φ = 98313000.

The previous prime is 122891371. The next prime is 122891381. The reversal of 122891375 is 573198221.

It is not a de Polignac number, because 122891375 - 2² = 122891371 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 (122891371) 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, 491441 + ... + 491690.

It is an arithmetic number, because the mean of its divisors is an integer number (19171074).

Almost surely, 2^122891375 is an apocalyptic number.

122891375 is a deficient number, since it is larger than the sum of its proper divisors (30477217).

122891375 is an frugal number, since it uses more digits than its factorization.

122891375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983146 (or 983136 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 122891375 is about 11085.6382315138. The cubic root of 122891375 is about 497.1725410912.

The spelling of 122891375 in words is "one hundred twenty-two million, eight hundred ninety-one thousand, three hundred seventy-five".