115320001 has 4 divisors (see below), whose sum is σ = 115371604. Its totient is φ = 115268400.

The previous prime is 115319989. The next prime is 115320011. The reversal of 115320001 is 100023511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100023511 = 7 ⋅14289073.

It can be written as a sum of positive squares in 2 ways, for example, as 54464400 + 60855601 = 7380^2 + 7801^2 .

It is a cyclic number.

It is not a de Polignac number, because 115320001 - 2⁹ = 115319489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115320011) 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, 22290 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (28842901).

Almost surely, 2^115320001 is an apocalyptic number.

It is an amenable number.

115320001 is a deficient number, since it is larger than the sum of its proper divisors (51603).

115320001 is an equidigital number, since it uses as much as digits as its factorization.

115320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51602.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 115320001 is about 10738.7150534875. The cubic root of 115320001 is about 486.7450524790.

Adding to 115320001 its reverse (100023511), we get a palindrome (215343512).

The spelling of 115320001 in words is "one hundred fifteen million, three hundred twenty thousand, one".