122801256 has 48 divisors (see below), whose sum is σ = 350095200. Its totient is φ = 38778912.

The previous prime is 122801227. The next prime is 122801269. The reversal of 122801256 is 652108221.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43516 + ... + 46251.

It is an arithmetic number, because the mean of its divisors is an integer number (7293650).

Almost surely, 2^122801256 is an apocalyptic number.

It is an amenable number.

122801256 is an abundant number, since it is smaller than the sum of its proper divisors (227293944).

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

122801256 is a wasteful number, since it uses less digits than its factorization.

122801256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89798 (or 89791 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 122801256 is about 11081.5728125569. The cubic root of 122801256 is about 497.0509821160.

Adding to 122801256 its reverse (652108221), we get a palindrome (774909477).

The spelling of 122801256 in words is "one hundred twenty-two million, eight hundred one thousand, two hundred fifty-six".