1118741 has 8 divisors (see below), whose sum is σ = 1231104. Its totient is φ = 1010160.

The previous prime is 1118737. The next prime is 1118749. The reversal of 1118741 is 1478111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1118741 - 2² = 1118737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118749) 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, 305 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (153888).

2^1118741 is an apocalyptic number.

1118741 is the 611-st octagonal number.

It is an amenable number.

1118741 is a deficient number, since it is larger than the sum of its proper divisors (112363).

1118741 is a wasteful number, since it uses less digits than its factorization.

1118741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its digits is 224, while the sum is 23.

The square root of 1118741 is about 1057.7055355816. The cubic root of 1118741 is about 103.8109546491.

The spelling of 1118741 in words is "one million, one hundred eighteen thousand, seven hundred forty-one".