115074661 has 4 divisors (see below), whose sum is σ = 123926572. Its totient is φ = 106222752.

The previous prime is 115074647. The next prime is 115074667. The reversal of 115074661 is 166470511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37088100 + 77986561 = 6090^2 + 8831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115074661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115074667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4425936 + ... + 4425961.

It is an arithmetic number, because the mean of its divisors is an integer number (30981643).

Almost surely, 2^115074661 is an apocalyptic number.

It is an amenable number.

115074661 is a deficient number, since it is larger than the sum of its proper divisors (8851911).

115074661 is an equidigital number, since it uses as much as digits as its factorization.

115074661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851910.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 115074661 is about 10727.2858170182. The cubic root of 115074661 is about 486.3996286828.

The spelling of 115074661 in words is "one hundred fifteen million, seventy-four thousand, six hundred sixty-one".