120102045457 has 2 divisors, whose sum is σ = 120102045458. Its totient is φ = 120102045456.

The previous prime is 120102045439. The next prime is 120102045467. The reversal of 120102045457 is 754540201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81726802641 + 38375242816 = 285879^2 + 195896^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102045457 - 2¹¹ = 120102043409 is a prime.

It is not a weakly prime, because it can be changed into another prime (120102045467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051022728 + 60051022729.

It is an arithmetic number, because the mean of its divisors is an integer number (60051022729).

Almost surely, 2^120102045457 is an apocalyptic number.

It is an amenable number.

120102045457 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102045457 is an equidigital number, since it uses as much as digits as its factorization.

120102045457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

Adding to 120102045457 its reverse (754540201021), we get a palindrome (874642246478).

The spelling of 120102045457 in words is "one hundred twenty billion, one hundred two million, forty-five thousand, four hundred fifty-seven".