120651983 has 2 divisors, whose sum is σ = 120651984. Its totient is φ = 120651982.

The previous prime is 120651943. The next prime is 120652001. The reversal of 120651983 is 389156021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120651983 - 2¹⁸ = 120389839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120651943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60325991 + 60325992.

It is an arithmetic number, because the mean of its divisors is an integer number (60325992).

Almost surely, 2^120651983 is an apocalyptic number.

120651983 is a deficient number, since it is larger than the sum of its proper divisors (1).

120651983 is an equidigital number, since it uses as much as digits as its factorization.

120651983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 120651983 is about 10984.1696545529. The cubic root of 120651983 is about 494.1340954461.

The spelling of 120651983 in words is "one hundred twenty million, six hundred fifty-one thousand, nine hundred eighty-three".