115220413 has 24 divisors (see below), whose sum is σ = 146988864. Its totient is φ = 89308800.

The previous prime is 115220401. The next prime is 115220419. The reversal of 115220413 is 314022511.

It is not a de Polignac number, because 115220413 - 2²⁵ = 81665981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115220419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129456 + ... + 130342.

It is an arithmetic number, because the mean of its divisors is an integer number (6124536).

Almost surely, 2^115220413 is an apocalyptic number.

It is an amenable number.

115220413 is a deficient number, since it is larger than the sum of its proper divisors (31768451).

115220413 is a wasteful number, since it uses less digits than its factorization.

115220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115220413 is about 10734.0771843694. The cubic root of 115220413 is about 486.6048977609.

Adding to 115220413 its reverse (314022511), we get a palindrome (429242924).

The spelling of 115220413 in words is "one hundred fifteen million, two hundred twenty thousand, four hundred thirteen".