120263557 has 2 divisors, whose sum is σ = 120263558. Its totient is φ = 120263556.

The previous prime is 120263543. The next prime is 120263581. The reversal of 120263557 is 755362021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82919236 + 37344321 = 9106^2 + 6111^2 .

It is a cyclic number.

It is not a de Polignac number, because 120263557 - 2¹¹ = 120261509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120263257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60131778 + 60131779.

It is an arithmetic number, because the mean of its divisors is an integer number (60131779).

Almost surely, 2^120263557 is an apocalyptic number.

It is an amenable number.

120263557 is a deficient number, since it is larger than the sum of its proper divisors (1).

120263557 is an equidigital number, since it uses as much as digits as its factorization.

120263557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 120263557 is about 10966.4742283015. The cubic root of 120263557 is about 493.6032549649.

The spelling of 120263557 in words is "one hundred twenty million, two hundred sixty-three thousand, five hundred fifty-seven".