120549983 has 2 divisors, whose sum is σ = 120549984. Its totient is φ = 120549982.

The previous prime is 120549973. The next prime is 120550049. The reversal of 120549983 is 389945021.

It is a weak prime.

It is an emirp because it is prime and its reverse (389945021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120549983 - 2⁸ = 120549727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120549983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120549943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60274991 + 60274992.

It is an arithmetic number, because the mean of its divisors is an integer number (60274992).

Almost surely, 2^120549983 is an apocalyptic number.

120549983 is a deficient number, since it is larger than the sum of its proper divisors (1).

120549983 is an equidigital number, since it uses as much as digits as its factorization.

120549983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 120549983 is about 10979.5256272755. The cubic root of 120549983 is about 493.9948080885.

The spelling of 120549983 in words is "one hundred twenty million, five hundred forty-nine thousand, nine hundred eighty-three".