113122019 has 2 divisors, whose sum is σ = 113122020. Its totient is φ = 113122018.

The previous prime is 113122003. The next prime is 113122081. The reversal of 113122019 is 910221311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113122019 - 2⁴ = 113122003 is a prime.

It is a super-2 number, since 2×113122019² = 25593182365272722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113122519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56561009 + 56561010.

It is an arithmetic number, because the mean of its divisors is an integer number (56561010).

Almost surely, 2^113122019 is an apocalyptic number.

113122019 is a deficient number, since it is larger than the sum of its proper divisors (1).

113122019 is an equidigital number, since it uses as much as digits as its factorization.

113122019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 113122019 is about 10635.8835552106. The cubic root of 113122019 is about 483.6327653378.

It can be divided in two parts, 11312 and 2019, that added together give a palindrome (13331).

The spelling of 113122019 in words is "one hundred thirteen million, one hundred twenty-two thousand, nineteen".