115721114 has 8 divisors (see below), whose sum is σ = 174830880. Its totient is φ = 57444156.

The previous prime is 115721113. The next prime is 115721117. The reversal of 115721114 is 411127511.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115721114.

It is not an unprimeable number, because it can be changed into a prime (115721113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207854 + ... + 208409.

It is an arithmetic number, because the mean of its divisors is an integer number (21853860).

Almost surely, 2^115721114 is an apocalyptic number.

115721114 is a deficient number, since it is larger than the sum of its proper divisors (59109766).

115721114 is a wasteful number, since it uses less digits than its factorization.

115721114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416404.

The product of its digits is 280, while the sum is 23.

The square root of 115721114 is about 10757.3748656445. The cubic root of 115721114 is about 487.3087414546.

Adding to 115721114 its reverse (411127511), we get a palindrome (526848625).

The spelling of 115721114 in words is "one hundred fifteen million, seven hundred twenty-one thousand, one hundred fourteen".