112863869 has 2 divisors, whose sum is σ = 112863870. Its totient is φ = 112863868.

The previous prime is 112863851. The next prime is 112863889. The reversal of 112863869 is 968368211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98763844 + 14100025 = 9938^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 112863869 - 2⁸ = 112863613 is a prime.

It is a super-2 number, since 2×112863869² = 25476505851298322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112863809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56431934 + 56431935.

It is an arithmetic number, because the mean of its divisors is an integer number (56431935).

Almost surely, 2^112863869 is an apocalyptic number.

It is an amenable number.

112863869 is a deficient number, since it is larger than the sum of its proper divisors (1).

112863869 is an equidigital number, since it uses as much as digits as its factorization.

112863869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The square root of 112863869 is about 10623.7408195042. The cubic root of 112863869 is about 483.2645938972.

The spelling of 112863869 in words is "one hundred twelve million, eight hundred sixty-three thousand, eight hundred sixty-nine".