120972997 has 2 divisors, whose sum is σ = 120972998. Its totient is φ = 120972996.

The previous prime is 120972931. The next prime is 120973051. The reversal of 120972997 is 799279021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84382596 + 36590401 = 9186^2 + 6049^2 .

It is a cyclic number.

It is not a de Polignac number, because 120972997 - 2¹⁵ = 120940229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120972097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60486498 + 60486499.

It is an arithmetic number, because the mean of its divisors is an integer number (60486499).

Almost surely, 2^120972997 is an apocalyptic number.

It is an amenable number.

120972997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120972997 is an equidigital number, since it uses as much as digits as its factorization.

120972997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 120972997 is about 10998.7725224227. The cubic root of 120972997 is about 494.5719484197.

The spelling of 120972997 in words is "one hundred twenty million, nine hundred seventy-two thousand, nine hundred ninety-seven".