120770557 has 2 divisors, whose sum is σ = 120770558. Its totient is φ = 120770556.

The previous prime is 120770537. The next prime is 120770599. The reversal of 120770557 is 755077021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84842521 + 35928036 = 9211^2 + 5994^2 .

It is a cyclic number.

It is not a de Polignac number, because 120770557 - 2¹⁵ = 120737789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120770527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60385278 + 60385279.

It is an arithmetic number, because the mean of its divisors is an integer number (60385279).

Almost surely, 2^120770557 is an apocalyptic number.

It is an amenable number.

120770557 is a deficient number, since it is larger than the sum of its proper divisors (1).

120770557 is an equidigital number, since it uses as much as digits as its factorization.

120770557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 120770557 is about 10989.5658239987. The cubic root of 120770557 is about 494.2959169958.

The spelling of 120770557 in words is "one hundred twenty million, seven hundred seventy thousand, five hundred fifty-seven".