115021867 has 4 divisors (see below), whose sum is σ = 116477920. Its totient is φ = 113565816.

The previous prime is 115021817. The next prime is 115021871. The reversal of 115021867 is 768120511.

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

It is a cyclic number.

It is not a de Polignac number, because 115021867 - 2¹¹ = 115019819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115021817) 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, 727908 + ... + 728065.

It is an arithmetic number, because the mean of its divisors is an integer number (29119480).

Almost surely, 2^115021867 is an apocalyptic number.

115021867 is a deficient number, since it is larger than the sum of its proper divisors (1456053).

115021867 is an equidigital number, since it uses as much as digits as its factorization.

115021867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456052.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 115021867 is about 10724.8248004338. The cubic root of 115021867 is about 486.3252337645.

The spelling of 115021867 in words is "one hundred fifteen million, twenty-one thousand, eight hundred sixty-seven".