1120811969 has 2 divisors, whose sum is σ = 1120811970. Its totient is φ = 1120811968.

The previous prime is 1120811953. The next prime is 1120811999. The reversal of 1120811969 is 9691180211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872434369 + 248377600 = 29537^2 + 15760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120811969 - 2⁴ = 1120811953 is a prime.

It is a super-2 number, since 2×1120811969² = 2512438939707313922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1120811999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560405984 + 560405985.

It is an arithmetic number, because the mean of its divisors is an integer number (560405985).

Almost surely, 2^1120811969 is an apocalyptic number.

It is an amenable number.

1120811969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120811969 is an equidigital number, since it uses as much as digits as its factorization.

1120811969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 38.

The square root of 1120811969 is about 33478.5299707141. The cubic root of 1120811969 is about 1038.7497207149.

The spelling of 1120811969 in words is "one billion, one hundred twenty million, eight hundred eleven thousand, nine hundred sixty-nine".