112009939 has 2 divisors, whose sum is σ = 112009940. Its totient is φ = 112009938.

The previous prime is 112009927. The next prime is 112009981. The reversal of 112009939 is 939900211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112009939 - 2¹⁷ = 111878867 is a prime.

It is not a weakly prime, because it can be changed into another prime (112069939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56004969 + 56004970.

It is an arithmetic number, because the mean of its divisors is an integer number (56004970).

Almost surely, 2^112009939 is an apocalyptic number.

112009939 is a deficient number, since it is larger than the sum of its proper divisors (1).

112009939 is an equidigital number, since it uses as much as digits as its factorization.

112009939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 112009939 is about 10583.4748074534. The cubic root of 112009939 is about 482.0427109871.

The spelling of 112009939 in words is "one hundred twelve million, nine thousand, nine hundred thirty-nine".