112099969 has 2 divisors, whose sum is σ = 112099970. Its totient is φ = 112099968.

The previous prime is 112099957. The next prime is 112099991. The reversal of 112099969 is 969990211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107744400 + 4355569 = 10380^2 + 2087^2 .

It is an emirp because it is prime and its reverse (969990211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112099969 is a prime.

It is a super-2 number, since 2×112099969² = 25132806099601922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112099909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56049984 + 56049985.

It is an arithmetic number, because the mean of its divisors is an integer number (56049985).

Almost surely, 2^112099969 is an apocalyptic number.

It is an amenable number.

112099969 is a deficient number, since it is larger than the sum of its proper divisors (1).

112099969 is an equidigital number, since it uses as much as digits as its factorization.

112099969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 46.

The square root of 112099969 is about 10587.7272820941. The cubic root of 112099969 is about 482.1718265622.

The spelling of 112099969 in words is "one hundred twelve million, ninety-nine thousand, nine hundred sixty-nine".