112819819 has 8 divisors (see below), whose sum is σ = 133096448. Its totient is φ = 93583080.

The previous prime is 112819789. The next prime is 112819829. The reversal of 112819819 is 918918211.

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

It is a cyclic number.

It is not a de Polignac number, because 112819819 - 2¹⁷ = 112688747 is a prime.

It is a super-2 number, since 2×112819819² = 25456623118385522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112819829) 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, 259737 + ... + 260170.

It is an arithmetic number, because the mean of its divisors is an integer number (16637056).

Almost surely, 2^112819819 is an apocalyptic number.

112819819 is a deficient number, since it is larger than the sum of its proper divisors (20276629).

112819819 is an equidigital number, since it uses as much as digits as its factorization.

112819819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519945.

The product of its digits is 10368, while the sum is 40.

The square root of 112819819 is about 10621.6674303049. The cubic root of 112819819 is about 483.2017140886.

The spelling of 112819819 in words is "one hundred twelve million, eight hundred nineteen thousand, eight hundred nineteen".