1118361 has 8 divisors (see below), whose sum is σ = 1504800. Its totient is φ = 738752.

The previous prime is 1118339. The next prime is 1118363. The reversal of 1118361 is 1638111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1118363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (188100).

2^1118361 is an apocalyptic number.

It is an amenable number.

1118361 is a deficient number, since it is larger than the sum of its proper divisors (386439).

1118361 is a wasteful number, since it uses less digits than its factorization.

1118361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415.

The product of its digits is 144, while the sum is 21.

The square root of 1118361 is about 1057.5258862080. The cubic root of 1118361 is about 103.7991995810.

The spelling of 1118361 in words is "one million, one hundred eighteen thousand, three hundred sixty-one".