112840669 has 2 divisors, whose sum is σ = 112840670. Its totient is φ = 112840668.

The previous prime is 112840661. The next prime is 112840681. The reversal of 112840669 is 966048211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106399225 + 6441444 = 10315^2 + 2538^2 .

It is a cyclic number.

It is not a de Polignac number, because 112840669 - 2³ = 112840661 is a prime.

It is a super-2 number, since 2×112840669² = 25466033160735122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112840661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56420334 + 56420335.

It is an arithmetic number, because the mean of its divisors is an integer number (56420335).

Almost surely, 2^112840669 is an apocalyptic number.

It is an amenable number.

112840669 is a deficient number, since it is larger than the sum of its proper divisors (1).

112840669 is an equidigital number, since it uses as much as digits as its factorization.

112840669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 112840669 is about 10622.6488692793. The cubic root of 112840669 is about 483.2314787619.

The spelling of 112840669 in words is "one hundred twelve million, eight hundred forty thousand, six hundred sixty-nine".