122956 has 12 divisors (see below), whose sum is σ = 219240. Its totient is φ = 60320.

The previous prime is 122953. The next prime is 122957. The reversal of 122956 is 659221.

It is a self number, because there is not a number n which added to its sum of digits gives 122956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (18270).

2¹²²⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

122956 is a deficient number, since it is larger than the sum of its proper divisors (96284).

122956 is a wasteful number, since it uses less digits than its factorization.

122956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 582 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 122956 is about 350.6508234697. The cubic root of 122956 is about 49.7259675346.

The spelling of 122956 in words is "one hundred twenty-two thousand, nine hundred fifty-six".