1112957789 has 2 divisors, whose sum is σ = 1112957790. Its totient is φ = 1112957788.

The previous prime is 1112957693. The next prime is 1112957801. The reversal of 1112957789 is 9877592111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1010604100 + 102353689 = 31790^2 + 10117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112957789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112951789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556478894 + 556478895.

It is an arithmetic number, because the mean of its divisors is an integer number (556478895).

Almost surely, 2^1112957789 is an apocalyptic number.

It is an amenable number.

1112957789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112957789 is an equidigital number, since it uses as much as digits as its factorization.

1112957789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 50.

The square root of 1112957789 is about 33361.0220017313. The cubic root of 1112957789 is about 1036.3176568106.

The spelling of 1112957789 in words is "one billion, one hundred twelve million, nine hundred fifty-seven thousand, seven hundred eighty-nine".