1121018 has 8 divisors (see below), whose sum is σ = 1688148. Its totient is φ = 558304.

The previous prime is 1121017. The next prime is 1121023. The reversal of 1121018 is 8101211.

It can be written as a sum of positive squares in 2 ways, for example, as 877969 + 243049 = 937^2 + 493^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1120993 and 1121011.

It is not an unprimeable number, because it can be changed into a prime (1121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371 + ... + 1542.

2^1121018 is an apocalyptic number.

1121018 is a deficient number, since it is larger than the sum of its proper divisors (567130).

1121018 is a wasteful number, since it uses less digits than its factorization.

1121018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1121018 is about 1058.7813749779. The cubic root of 1121018 is about 103.8813365506.

Adding to 1121018 its reverse (8101211), we get a palindrome (9222229).

The spelling of 1121018 in words is "one million, one hundred twenty-one thousand, eighteen".