1118761 has 8 divisors (see below), whose sum is σ = 1287104. Its totient is φ = 952560.

The previous prime is 1118749. The next prime is 1118773. The reversal of 1118761 is 1678111.

It is an interprime number because it is at equal distance from previous prime (1118749) and next prime (1118773).

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

It is a de Polignac number, because none of the positive numbers 2^k-1118761 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1118261) 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, 826 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (160888).

2^1118761 is an apocalyptic number.

It is an amenable number.

1118761 is a deficient number, since it is larger than the sum of its proper divisors (168343).

1118761 is an equidigital number, since it uses as much as digits as its factorization.

1118761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its digits is 336, while the sum is 25.

The square root of 1118761 is about 1057.7149899666. The cubic root of 1118761 is about 103.8115732632.

The spelling of 1118761 in words is "one million, one hundred eighteen thousand, seven hundred sixty-one".