1118512 has 20 divisors (see below), whose sum is σ = 2209680. Its totient is φ = 548288.

The previous prime is 1118497. The next prime is 1118519. The reversal of 1118512 is 2158111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118512.

It is not an unprimeable number, because it can be changed into a prime (1118519) 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, 189 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (110484).

2^1118512 is an apocalyptic number.

It is an amenable number.

1118512 is a deficient number, since it is larger than the sum of its proper divisors (1091168).

1118512 is a wasteful number, since it uses less digits than its factorization.

1118512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1374 counting only the distinct ones).

The product of its digits is 80, while the sum is 19.

The square root of 1118512 is about 1057.5972768497. The cubic root of 1118512 is about 103.8038709926.

The spelling of 1118512 in words is "one million, one hundred eighteen thousand, five hundred twelve".