122959621 has 8 divisors (see below), whose sum is σ = 132930080. Its totient is φ = 113339088.

The previous prime is 122959619. The next prime is 122959637. The reversal of 122959621 is 126959221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122959621 - 2¹ = 122959619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122950621) 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, 86751 + ... + 88156.

It is an arithmetic number, because the mean of its divisors is an integer number (16616260).

Almost surely, 2^122959621 is an apocalyptic number.

It is an amenable number.

122959621 is a deficient number, since it is larger than the sum of its proper divisors (9970459).

122959621 is a wasteful number, since it uses less digits than its factorization.

122959621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174963.

The product of its digits is 19440, while the sum is 37.

The square root of 122959621 is about 11088.7159310716. The cubic root of 122959621 is about 497.2645566573.

122959621 divided by its sum of digits (37) gives a palindrome (3323233).

The spelling of 122959621 in words is "one hundred twenty-two million, nine hundred fifty-nine thousand, six hundred twenty-one".