115220134 has 16 divisors (see below), whose sum is σ = 179281872. Its totient is φ = 55496448.

The previous prime is 115220129. The next prime is 115220141. The reversal of 115220134 is 431022511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2899 + ... + 15454.

It is an arithmetic number, because the mean of its divisors is an integer number (11205117).

Almost surely, 2^115220134 is an apocalyptic number.

115220134 is a deficient number, since it is larger than the sum of its proper divisors (64061738).

115220134 is a wasteful number, since it uses less digits than its factorization.

115220134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471.

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

The square root of 115220134 is about 10734.0641883678. The cubic root of 115220134 is about 486.6045049981.

Adding to 115220134 its reverse (431022511), we get a palindrome (546242645).

The spelling of 115220134 in words is "one hundred fifteen million, two hundred twenty thousand, one hundred thirty-four".