120152569 has 2 divisors, whose sum is σ = 120152570. Its totient is φ = 120152568.

The previous prime is 120152533. The next prime is 120152609. The reversal of 120152569 is 965251021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114746944 + 5405625 = 10712^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 120152569 - 2⁷ = 120152441 is a prime.

It is a super-2 number, since 2×120152569² = 28873279674599522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120152569.

It is not a weakly prime, because it can be changed into another prime (120152369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60076284 + 60076285.

It is an arithmetic number, because the mean of its divisors is an integer number (60076285).

Almost surely, 2^120152569 is an apocalyptic number.

It is an amenable number.

120152569 is a deficient number, since it is larger than the sum of its proper divisors (1).

120152569 is an equidigital number, since it uses as much as digits as its factorization.

120152569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 120152569 is about 10961.4127282937. The cubic root of 120152569 is about 493.4513638435.

The spelling of 120152569 in words is "one hundred twenty million, one hundred fifty-two thousand, five hundred sixty-nine".