918122 has 8 divisors (see below), whose sum is σ = 1381536. Its totient is φ = 457612.

The previous prime is 918109. The next prime is 918131. The reversal of 918122 is 221819.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (172692).

2⁹¹⁸¹²² is an apocalyptic number.

918122 is a deficient number, since it is larger than the sum of its proper divisors (463414).

918122 is a wasteful number, since it uses less digits than its factorization.

918122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 288, while the sum is 23.

The square root of 918122 is about 958.1868293814. The cubic root of 918122 is about 97.1926592141.

The spelling of 918122 in words is "nine hundred eighteen thousand, one hundred twenty-two".