112909879 has 2 divisors, whose sum is σ = 112909880. Its totient is φ = 112909878.

The previous prime is 112909861. The next prime is 112909889. The reversal of 112909879 is 978909211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112909879 - 2¹⁷ = 112778807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112909889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56454939 + 56454940.

It is an arithmetic number, because the mean of its divisors is an integer number (56454940).

Almost surely, 2^112909879 is an apocalyptic number.

112909879 is a deficient number, since it is larger than the sum of its proper divisors (1).

112909879 is an equidigital number, since it uses as much as digits as its factorization.

112909879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 112909879 is about 10625.9060319579. The cubic root of 112909879 is about 483.3302540694.

The spelling of 112909879 in words is "one hundred twelve million, nine hundred nine thousand, eight hundred seventy-nine".