115220075 has 12 divisors (see below), whose sum is σ = 143667888. Its totient is φ = 91663200.

The previous prime is 115220071. The next prime is 115220113. The reversal of 115220075 is 570022511.

It is a happy number.

It is not a de Polignac number, because 115220075 - 2² = 115220071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115220075.

It is not an unprimeable number, because it can be changed into a prime (115220071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8207 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (11972324).

Almost surely, 2^115220075 is an apocalyptic number.

115220075 is a deficient number, since it is larger than the sum of its proper divisors (28447813).

115220075 is a wasteful number, since it uses less digits than its factorization.

115220075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25654 (or 25649 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 115220075 is about 10734.0614401074. The cubic root of 115220075 is about 486.6044219406.

Adding to 115220075 its reverse (570022511), we get a palindrome (685242586).

The spelling of 115220075 in words is "one hundred fifteen million, two hundred twenty thousand, seventy-five".