120782897 has 2 divisors, whose sum is σ = 120782898. Its totient is φ = 120782896.

The previous prime is 120782869. The next prime is 120782923. The reversal of 120782897 is 798287021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94167616 + 26615281 = 9704^2 + 5159^2 .

It is a cyclic number.

It is not a de Polignac number, because 120782897 - 2¹⁰ = 120781873 is a prime.

It is not a weakly prime, because it can be changed into another prime (120782797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60391448 + 60391449.

It is an arithmetic number, because the mean of its divisors is an integer number (60391449).

Almost surely, 2^120782897 is an apocalyptic number.

It is an amenable number.

120782897 is a deficient number, since it is larger than the sum of its proper divisors (1).

120782897 is an equidigital number, since it uses as much as digits as its factorization.

120782897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 120782897 is about 10990.1272513106. The cubic root of 120782897 is about 494.3127516837.

The spelling of 120782897 in words is "one hundred twenty million, seven hundred eighty-two thousand, eight hundred ninety-seven".