120120563 has 2 divisors, whose sum is σ = 120120564. Its totient is φ = 120120562.

The previous prime is 120120509. The next prime is 120120659. The reversal of 120120563 is 365021021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120120563 - 2¹⁸ = 119858419 is a prime.

It is not a weakly prime, because it can be changed into another prime (120120503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060281 + 60060282.

It is an arithmetic number, because the mean of its divisors is an integer number (60060282).

Almost surely, 2^120120563 is an apocalyptic number.

120120563 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120563 is an equidigital number, since it uses as much as digits as its factorization.

120120563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 120120563 is about 10959.9526915037. The cubic root of 120120563 is about 493.4075450914.

Adding to 120120563 its reverse (365021021), we get a palindrome (485141584).

The spelling of 120120563 in words is "one hundred twenty million, one hundred twenty thousand, five hundred sixty-three".