120416557 has 2 divisors, whose sum is σ = 120416558. Its totient is φ = 120416556.

The previous prime is 120416533. The next prime is 120416567. The reversal of 120416557 is 755614021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80802121 + 39614436 = 8989^2 + 6294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120416557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120416567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60208278 + 60208279.

It is an arithmetic number, because the mean of its divisors is an integer number (60208279).

Almost surely, 2^120416557 is an apocalyptic number.

It is an amenable number.

120416557 is a deficient number, since it is larger than the sum of its proper divisors (1).

120416557 is an equidigital number, since it uses as much as digits as its factorization.

120416557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 120416557 is about 10973.4478173453. The cubic root of 120416557 is about 493.8124879093.

The spelling of 120416557 in words is "one hundred twenty million, four hundred sixteen thousand, five hundred fifty-seven".