115498009 has 9 divisors (see below), whose sum is σ = 127082431. Its totient is φ = 104890720.

The previous prime is 115498007. The next prime is 115498013. The reversal of 115498009 is 900894511.

The square root of 115498009 is 10747.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 108056025 + 7441984 = 10395^2 + 2728^2 .

It is not a de Polignac number, because 115498009 - 2¹ = 115498007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115498007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 117729 + ... + 118705.

Almost surely, 2^115498009 is an apocalyptic number.

115498009 is the 10747-th square number.

115498009 is the 5374-th centered octagonal number.

It is an amenable number.

115498009 is a deficient number, since it is larger than the sum of its proper divisors (11584422).

115498009 is an frugal number, since it uses more digits than its factorization.

115498009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The cubic root of 115498009 is about 486.9953703459.

The spelling of 115498009 in words is "one hundred fifteen million, four hundred ninety-eight thousand, nine".