1318089 has 8 divisors (see below), whose sum is σ = 1814272. Its totient is φ = 850320.

The previous prime is 1318073. The next prime is 1318099. The reversal of 1318089 is 9808131.

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

It is not a de Polignac number, because 1318089 - 2⁴ = 1318073 is a prime.

It is a super-2 number, since 2×1318089² = 3474717223842, which contains 22 as substring.

It is a Duffinian number.

1318089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1318019) 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, 6994 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (226784).

2^1318089 is an apocalyptic number.

It is an amenable number.

1318089 is a deficient number, since it is larger than the sum of its proper divisors (496183).

1318089 is a wasteful number, since it uses less digits than its factorization.

1318089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1318089 is about 1148.0805720854. The cubic root of 1318089 is about 109.6431687886.

The spelling of 1318089 in words is "one million, three hundred eighteen thousand, eighty-nine".