115029109 has 16 divisors (see below), whose sum is σ = 128620800. Its totient is φ = 102142656.

The previous prime is 115029091. The next prime is 115029121. The reversal of 115029109 is 901920511.

It is a cyclic number.

It is not a de Polignac number, because 115029109 - 2²⁵ = 81474677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115029169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174222 + ... + 174880.

It is an arithmetic number, because the mean of its divisors is an integer number (8038800).

Almost surely, 2^115029109 is an apocalyptic number.

It is an amenable number.

115029109 is a deficient number, since it is larger than the sum of its proper divisors (13591691).

115029109 is a wasteful number, since it uses less digits than its factorization.

115029109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 115029109 is about 10725.1624230125. The cubic root of 115029109 is about 486.3354402105.

The spelling of 115029109 in words is "one hundred fifteen million, twenty-nine thousand, one hundred nine".