1125218 has 8 divisors (see below), whose sum is σ = 1776720. Its totient is φ = 532980.

The previous prime is 1125217. The next prime is 1125221. The reversal of 1125218 is 8125211.

It is a happy number.

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

It is a super-2 number, since 2×1125218² = 2532231095048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1125218.

It is not an unprimeable number, because it can be changed into a prime (1125217) 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, 14768 + ... + 14843.

It is an arithmetic number, because the mean of its divisors is an integer number (222090).

2^1125218 is an apocalyptic number.

1125218 is a deficient number, since it is larger than the sum of its proper divisors (651502).

1125218 is a wasteful number, since it uses less digits than its factorization.

1125218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29632.

The product of its digits is 160, while the sum is 20.

The square root of 1125218 is about 1060.7629329874. The cubic root of 1125218 is about 104.0109086191.

The spelling of 1125218 in words is "one million, one hundred twenty-five thousand, two hundred eighteen".