115167221 has 8 divisors (see below), whose sum is σ = 124287744. Its totient is φ = 106084080.

The previous prime is 115167211. The next prime is 115167257. The reversal of 115167221 is 122761511.

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 115167221 - 2¹⁰ = 115166197 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 (115167211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765 + ... + 15426.

It is an arithmetic number, because the mean of its divisors is an integer number (15535968).

Almost surely, 2^115167221 is an apocalyptic number.

It is an amenable number.

115167221 is a deficient number, since it is larger than the sum of its proper divisors (9120523).

115167221 is a wasteful number, since it uses less digits than its factorization.

115167221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18691.

The product of its digits is 840, while the sum is 26.

The square root of 115167221 is about 10731.5991818554. The cubic root of 115167221 is about 486.5300051524.

The spelling of 115167221 in words is "one hundred fifteen million, one hundred sixty-seven thousand, two hundred twenty-one".