115654321 has 8 divisors (see below), whose sum is σ = 118065600. Its totient is φ = 113251632.

The previous prime is 115654303. The next prime is 115654333. The reversal of 115654321 is 123456511.

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

It is a cyclic number.

It is not a de Polignac number, because 115654321 - 2⁵ = 115654289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115654321.

It is not an unprimeable number, because it can be changed into a prime (115654381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29926 + ... + 33568.

It is an arithmetic number, because the mean of its divisors is an integer number (14758200).

Almost surely, 2^115654321 is an apocalyptic number.

It is an amenable number.

115654321 is a deficient number, since it is larger than the sum of its proper divisors (2411279).

115654321 is an equidigital number, since it uses as much as digits as its factorization.

115654321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its digits is 3600, while the sum is 28.

The square root of 115654321 is about 10754.2698961854. The cubic root of 115654321 is about 487.2149669309.

The spelling of 115654321 in words is "one hundred fifteen million, six hundred fifty-four thousand, three hundred twenty-one".