115022890 has 8 divisors (see below), whose sum is σ = 207041220. Its totient is φ = 46009152.

The previous prime is 115022863. The next prime is 115022909. The reversal of 115022890 is 98220511.

It can be written as a sum of positive squares in 2 ways, for example, as 107931321 + 7091569 = 10389^2 + 2663^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5751135 + ... + 5751154.

Almost surely, 2^115022890 is an apocalyptic number.

115022890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115022890 is a deficient number, since it is larger than the sum of its proper divisors (92018330).

115022890 is a wasteful number, since it uses less digits than its factorization.

115022890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11502296.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 115022890 is about 10724.8724934145. The cubic root of 115022890 is about 486.3266755461.

The spelling of 115022890 in words is "one hundred fifteen million, twenty-two thousand, eight hundred ninety".