121875983 has 2 divisors, whose sum is σ = 121875984. Its totient is φ = 121875982.

The previous prime is 121875979. The next prime is 121875989. The reversal of 121875983 is 389578121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121875983 - 2² = 121875979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121875989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60937991 + 60937992.

It is an arithmetic number, because the mean of its divisors is an integer number (60937992).

Almost surely, 2^121875983 is an apocalyptic number.

121875983 is a deficient number, since it is larger than the sum of its proper divisors (1).

121875983 is an equidigital number, since it uses as much as digits as its factorization.

121875983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 44.

The square root of 121875983 is about 11039.7456039530. The cubic root of 121875983 is about 495.7994536432.

The spelling of 121875983 in words is "one hundred twenty-one million, eight hundred seventy-five thousand, nine hundred eighty-three".