122881437 has 24 divisors (see below), whose sum is σ = 203186880. Its totient is φ = 70102080.

The previous prime is 122881399. The next prime is 122881459. The reversal of 122881437 is 734188221.

It is not a de Polignac number, because 122881437 - 2⁶ = 122881373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122881937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49762 + ... + 52172.

It is an arithmetic number, because the mean of its divisors is an integer number (8466120).

Almost surely, 2^122881437 is an apocalyptic number.

It is an amenable number.

122881437 is a deficient number, since it is larger than the sum of its proper divisors (80305443).

122881437 is a wasteful number, since it uses less digits than its factorization.

122881437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233 (or 3230 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 122881437 is about 11085.1899848401. The cubic root of 122881437 is about 497.1591389195.

The spelling of 122881437 in words is "one hundred twenty-two million, eight hundred eighty-one thousand, four hundred thirty-seven".