115219 has 4 divisors (see below), whose sum is σ = 124096. Its totient is φ = 106344.

The previous prime is 115211. The next prime is 115223. The reversal of 115219 is 912511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115219 - 2³ = 115211 is a prime.

It is a super-2 number, since 2×115219² = 26550835922, which contains 22 as substring.

It is a Duffinian number.

115219 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 115196 and 115205.

It is not an unprimeable number, because it can be changed into a prime (115211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4419 + ... + 4444.

It is an arithmetic number, because the mean of its divisors is an integer number (31024).

2¹¹⁵²¹⁹ is an apocalyptic number.

115219 is a deficient number, since it is larger than the sum of its proper divisors (8877).

115219 is an equidigital number, since it uses as much as digits as its factorization.

115219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876.

The product of its digits is 90, while the sum is 19.

The square root of 115219 is about 339.4392434590. The cubic root of 115219 is about 48.6602908601.

The spelling of 115219 in words is "one hundred fifteen thousand, two hundred nineteen".