122355961 has 16 divisors (see below), whose sum is σ = 150998400. Its totient is φ = 96547968.

The previous prime is 122355949. The next prime is 122355971. The reversal of 122355961 is 169553221.

It is a cyclic number.

It is not a de Polignac number, because 122355961 - 2⁷ = 122355833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122355971) 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 15 ways as a sum of consecutive naturals, for example, 36525 + ... + 39733.

It is an arithmetic number, because the mean of its divisors is an integer number (9437400).

Almost surely, 2^122355961 is an apocalyptic number.

It is an amenable number.

122355961 is a deficient number, since it is larger than the sum of its proper divisors (28642439).

122355961 is a wasteful number, since it uses less digits than its factorization.

122355961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648.

The product of its digits is 16200, while the sum is 34.

The square root of 122355961 is about 11061.4628779380. The cubic root of 122355961 is about 496.4494617012.

The spelling of 122355961 in words is "one hundred twenty-two million, three hundred fifty-five thousand, nine hundred sixty-one".