121373983 has 2 divisors, whose sum is σ = 121373984. Its totient is φ = 121373982.

The previous prime is 121373977. The next prime is 121374041. The reversal of 121373983 is 389373121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121373983 - 2⁹ = 121373471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121373953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60686991 + 60686992.

It is an arithmetic number, because the mean of its divisors is an integer number (60686992).

Almost surely, 2^121373983 is an apocalyptic number.

121373983 is a deficient number, since it is larger than the sum of its proper divisors (1).

121373983 is an equidigital number, since it uses as much as digits as its factorization.

121373983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 121373983 is about 11016.9861123630. The cubic root of 121373983 is about 495.1177939576.

The spelling of 121373983 in words is "one hundred twenty-one million, three hundred seventy-three thousand, nine hundred eighty-three".