120708897457 has 2 divisors, whose sum is σ = 120708897458. Its totient is φ = 120708897456.

The previous prime is 120708897401. The next prime is 120708897469. The reversal of 120708897457 is 754798807021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86097643776 + 34611253681 = 293424^2 + 186041^2 .

It is a cyclic number.

It is not a de Polignac number, because 120708897457 - 2¹⁹ = 120708373169 is a prime.

It is not a weakly prime, because it can be changed into another prime (120708897487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60354448728 + 60354448729.

It is an arithmetic number, because the mean of its divisors is an integer number (60354448729).

Almost surely, 2^120708897457 is an apocalyptic number.

It is an amenable number.

120708897457 is a deficient number, since it is larger than the sum of its proper divisors (1).

120708897457 is an equidigital number, since it uses as much as digits as its factorization.

120708897457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 58.

The spelling of 120708897457 in words is "one hundred twenty billion, seven hundred eight million, eight hundred ninety-seven thousand, four hundred fifty-seven".