112691569 has 2 divisors, whose sum is σ = 112691570. Its totient is φ = 112691568.

The previous prime is 112691563. The next prime is 112691573. The reversal of 112691569 is 965196211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 43718544 = 8305^2 + 6612^2 .

It is a cyclic number.

It is not a de Polignac number, because 112691569 - 2³ = 112691561 is a prime.

It is a super-2 number, since 2×112691569² = 25398779447363522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112691561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56345784 + 56345785.

It is an arithmetic number, because the mean of its divisors is an integer number (56345785).

Almost surely, 2^112691569 is an apocalyptic number.

It is an amenable number.

112691569 is a deficient number, since it is larger than the sum of its proper divisors (1).

112691569 is an equidigital number, since it uses as much as digits as its factorization.

112691569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 40.

The square root of 112691569 is about 10615.6285259046. The cubic root of 112691569 is about 483.0185485263.

The spelling of 112691569 in words is "one hundred twelve million, six hundred ninety-one thousand, five hundred sixty-nine".