112819 has 8 divisors (see below), whose sum is σ = 131328. Its totient is φ = 94920.

The previous prime is 112807. The next prime is 112831. The reversal of 112819 is 918211.

It is an interprime number because it is at equal distance from previous prime (112807) and next prime (112831).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112819 - 2⁵ = 112787 is a prime.

It is a super-2 number, since 2×112819² = 25456253522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112819.

It is not an unprimeable number, because it can be changed into a prime (112859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2¹¹²⁸¹⁹ is an apocalyptic number.

112819 is a deficient number, since it is larger than the sum of its proper divisors (18509).

112819 is an equidigital number, since it uses as much as digits as its factorization.

112819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its digits is 144, while the sum is 22.

The square root of 112819 is about 335.8853971223. The cubic root of 112819 is about 48.3200544840.

The spelling of 112819 in words is "one hundred twelve thousand, eight hundred nineteen".