122152256 has 56 divisors (see below), whose sum is σ = 250582176. Its totient is φ = 59051520.

The previous prime is 122152253. The next prime is 122152271. The reversal of 122152256 is 652251221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261335 + ... + 261801.

Almost surely, 2^122152256 is an apocalyptic number.

122152256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122152256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125291088).

122152256 is an abundant number, since it is smaller than the sum of its proper divisors (128429920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122152256 is an equidigital number, since it uses as much as digits as its factorization.

122152256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 597 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 122152256 is about 11052.2511734035. The cubic root of 122152256 is about 496.1738031211.

The spelling of 122152256 in words is "one hundred twenty-two million, one hundred fifty-two thousand, two hundred fifty-six".