112120819 has 2 divisors, whose sum is σ = 112120820. Its totient is φ = 112120818.

The previous prime is 112120793. The next prime is 112120847. The reversal of 112120819 is 918021211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112120819 - 2¹¹ = 112118771 is a prime.

It is a super-2 number, since 2×112120819² = 25142156106461522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112120793 and 112120802.

It is not a weakly prime, because it can be changed into another prime (112120849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060409 + 56060410.

It is an arithmetic number, because the mean of its divisors is an integer number (56060410).

Almost surely, 2^112120819 is an apocalyptic number.

112120819 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120819 is an equidigital number, since it uses as much as digits as its factorization.

112120819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 112120819 is about 10588.7118668892. The cubic root of 112120819 is about 482.2017185103.

The spelling of 112120819 in words is "one hundred twelve million, one hundred twenty thousand, eight hundred nineteen".