112019999 has 16 divisors (see below), whose sum is σ = 138324480. Its totient is φ = 88339680.

The previous prime is 112019993. The next prime is 112020043. The reversal of 112019999 is 999910211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-112019999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112019993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28262 + ... + 31980.

It is an arithmetic number, because the mean of its divisors is an integer number (8645280).

Almost surely, 2^112019999 is an apocalyptic number.

112019999 is a deficient number, since it is larger than the sum of its proper divisors (26304481).

112019999 is a wasteful number, since it uses less digits than its factorization.

112019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 13122, while the sum is 41.

The square root of 112019999 is about 10583.9500660198. The cubic root of 112019999 is about 482.0571418627.

The spelling of 112019999 in words is "one hundred twelve million, nineteen thousand, nine hundred ninety-nine".