121883983 has 6 divisors (see below), whose sum is σ = 131981064. Its totient is φ = 112508136.

The previous prime is 121883981. The next prime is 121883989. The reversal of 121883983 is 389388121.

It is not a de Polignac number, because 121883983 - 2¹ = 121883981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121883981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360435 + ... + 360772.

It is an arithmetic number, because the mean of its divisors is an integer number (21996844).

Almost surely, 2^121883983 is an apocalyptic number.

121883983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121883983 is a deficient number, since it is larger than the sum of its proper divisors (10097081).

121883983 is an equidigital number, since it uses as much as digits as its factorization.

121883983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721233 (or 721220 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 121883983 is about 11040.1079251971. The cubic root of 121883983 is about 495.8103015799.

The spelling of 121883983 in words is "one hundred twenty-one million, eight hundred eighty-three thousand, nine hundred eighty-three".