1120740169 has 2 divisors, whose sum is σ = 1120740170. Its totient is φ = 1120740168.

The previous prime is 1120740163. The next prime is 1120740193. The reversal of 1120740169 is 9610470211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095610000 + 25130169 = 33100^2 + 5013^2 .

It is an emirp because it is prime and its reverse (9610470211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120740169 - 2²¹ = 1118643017 is a prime.

It is a super-2 number, since 2×1120740169² = 2512117052820297122, 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 1120740169.

It is not a weakly prime, because it can be changed into another prime (1120740163) 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, 560370084 + 560370085.

It is an arithmetic number, because the mean of its divisors is an integer number (560370085).

Almost surely, 2^1120740169 is an apocalyptic number.

It is an amenable number.

1120740169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120740169 is an equidigital number, since it uses as much as digits as its factorization.

1120740169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1120740169 is about 33477.4576244971. The cubic root of 1120740169 is about 1038.7275392296.

The spelling of 1120740169 in words is "one billion, one hundred twenty million, seven hundred forty thousand, one hundred sixty-nine".