122155456 has 14 divisors (see below), whose sum is σ = 242402360. Its totient is φ = 61077696.

The previous prime is 122155433. The next prime is 122155457. The reversal of 122155456 is 654551221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122155457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954276 + ... + 954403.

Almost surely, 2^122155456 is an apocalyptic number.

122155456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122155456 is a deficient number, since it is larger than the sum of its proper divisors (120246904).

122155456 is an equidigital number, since it uses as much as digits as its factorization.

122155456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908691 (or 1908681 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 122155456 is about 11052.3959393427. The cubic root of 122155456 is about 496.1781358077.

It can be divided in two parts, 12215 and 5456, that added together give a palindrome (17671).

The spelling of 122155456 in words is "one hundred twenty-two million, one hundred fifty-five thousand, four hundred fifty-six".