122938455 has 16 divisors (see below), whose sum is σ = 207054720. Its totient is φ = 62116128.

The previous prime is 122938451. The next prime is 122938469. The reversal of 122938455 is 554839221.

It is not a de Polignac number, because 122938455 - 2² = 122938451 is a prime.

It is a super-2 number, since 2×122938455² = 30227727435574050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122938451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215397 + ... + 215966.

It is an arithmetic number, because the mean of its divisors is an integer number (12940920).

Almost surely, 2^122938455 is an apocalyptic number.

122938455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122938455 is a deficient number, since it is larger than the sum of its proper divisors (84116265).

122938455 is a wasteful number, since it uses less digits than its factorization.

122938455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431390.

The product of its digits is 86400, while the sum is 39.

The square root of 122938455 is about 11087.7614963526. The cubic root of 122938455 is about 497.2360223425.

The spelling of 122938455 in words is "one hundred twenty-two million, nine hundred thirty-eight thousand, four hundred fifty-five".