120442997 has 2 divisors, whose sum is σ = 120442998. Its totient is φ = 120442996.

The previous prime is 120442963. The next prime is 120443009. The reversal of 120442997 is 799244021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116079076 + 4363921 = 10774^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 120442997 - 2¹⁰ = 120441973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120442997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120442937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60221498 + 60221499.

It is an arithmetic number, because the mean of its divisors is an integer number (60221499).

Almost surely, 2^120442997 is an apocalyptic number.

It is an amenable number.

120442997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120442997 is an equidigital number, since it uses as much as digits as its factorization.

120442997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 120442997 is about 10974.6524774136. The cubic root of 120442997 is about 493.8486275871.

The spelling of 120442997 in words is "one hundred twenty million, four hundred forty-two thousand, nine hundred ninety-seven".