121983627 has 12 divisors (see below), whose sum is σ = 164000616. Its totient is φ = 80650080.

The previous prime is 121983623. The next prime is 121983637. The reversal of 121983627 is 726389121.

It is not a de Polignac number, because 121983627 - 2² = 121983623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121983623) 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 11 ways as a sum of consecutive naturals, for example, 47127 + ... + 49647.

It is an arithmetic number, because the mean of its divisors is an integer number (13666718).

Almost surely, 2^121983627 is an apocalyptic number.

121983627 is a deficient number, since it is larger than the sum of its proper divisors (42016989).

121983627 is an equidigital number, since it uses as much as digits as its factorization.

121983627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778 (or 2651 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 121983627 is about 11044.6198214334. The cubic root of 121983627 is about 495.9453782961.

The spelling of 121983627 in words is "one hundred twenty-one million, nine hundred eighty-three thousand, six hundred twenty-seven".