1112961649 has 2 divisors, whose sum is σ = 1112961650. Its totient is φ = 1112961648.

The previous prime is 1112961637. The next prime is 1112961667. The reversal of 1112961649 is 9461692111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655001649 + 457960000 = 25593^2 + 21400^2 .

It is an emirp because it is prime and its reverse (9461692111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112961649 - 2²⁷ = 978743921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112961149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556480824 + 556480825.

It is an arithmetic number, because the mean of its divisors is an integer number (556480825).

Almost surely, 2^1112961649 is an apocalyptic number.

It is an amenable number.

1112961649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112961649 is an equidigital number, since it uses as much as digits as its factorization.

1112961649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 1112961649 is about 33361.0798536258. The cubic root of 1112961649 is about 1036.3188548739.

The spelling of 1112961649 in words is "one billion, one hundred twelve million, nine hundred sixty-one thousand, six hundred forty-nine".