121030983 has 16 divisors (see below), whose sum is σ = 179731200. Its totient is φ = 80495640.

The previous prime is 121030981. The next prime is 121030993. The reversal of 121030983 is 389030121.

It is not a de Polignac number, because 121030983 - 2¹ = 121030981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6748 + ... + 16958.

It is an arithmetic number, because the mean of its divisors is an integer number (11233200).

Almost surely, 2^121030983 is an apocalyptic number.

121030983 is a deficient number, since it is larger than the sum of its proper divisors (58700217).

121030983 is a wasteful number, since it uses less digits than its factorization.

121030983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10659 (or 10653 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 121030983 is about 11001.4082280406. The cubic root of 121030983 is about 494.6509568729.

The spelling of 121030983 in words is "one hundred twenty-one million, thirty thousand, nine hundred eighty-three".