1208889 has 12 divisors (see below), whose sum is σ = 1905072. Its totient is φ = 732600.

The previous prime is 1208873. The next prime is 1208927. The reversal of 1208889 is 9888021.

It is not a de Polignac number, because 1208889 - 2⁴ = 1208873 is a prime.

It is a super-2 number, since 2×1208889² = 2922825228642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1208849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6007 + ... + 6204.

It is an arithmetic number, because the mean of its divisors is an integer number (158756).

2^1208889 is an apocalyptic number.

It is an amenable number.

1208889 is a deficient number, since it is larger than the sum of its proper divisors (696183).

1208889 is a wasteful number, since it uses less digits than its factorization.

1208889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12228 (or 12225 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1208889 is about 1099.4948840263. The cubic root of 1208889 is about 106.5275998031.

It can be divided in two parts, 120 and 8889, that added together give a palindrome (9009).

The spelling of 1208889 in words is "one million, two hundred eight thousand, eight hundred eighty-nine".