115725219 has 8 divisors (see below), whose sum is σ = 162421440. Its totient is φ = 73089576.

The previous prime is 115725193. The next prime is 115725223. The reversal of 115725219 is 912527511.

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

It is not a de Polignac number, because 115725219 - 2⁷ = 115725091 is a prime.

It is a super-2 number, since 2×115725219² = 26784652625195922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 115725219.

It is not an unprimeable number, because it can be changed into a prime (115725119) 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, 1015077 + ... + 1015190.

It is an arithmetic number, because the mean of its divisors is an integer number (20302680).

Almost surely, 2^115725219 is an apocalyptic number.

115725219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115725219 is a deficient number, since it is larger than the sum of its proper divisors (46696221).

115725219 is a wasteful number, since it uses less digits than its factorization.

115725219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030289.

The product of its digits is 6300, while the sum is 33.

The square root of 115725219 is about 10757.5656632902. The cubic root of 115725219 is about 487.3145035225.

The spelling of 115725219 in words is "one hundred fifteen million, seven hundred twenty-five thousand, two hundred nineteen".