1118827 has 2 divisors, whose sum is σ = 1118828. Its totient is φ = 1118826.

The previous prime is 1118809. The next prime is 1118837. The reversal of 1118827 is 7288111.

It is a strong prime.

It is an emirp because it is prime and its reverse (7288111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118827 is a prime.

It is a Chen prime.

1118827 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1118795 and 1118804.

It is not a weakly prime, because it can be changed into another prime (1118807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559413 + 559414.

It is an arithmetic number, because the mean of its divisors is an integer number (559414).

2^1118827 is an apocalyptic number.

1118827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118827 is an equidigital number, since it uses as much as digits as its factorization.

1118827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 28.

The square root of 1118827 is about 1057.7461888374. The cubic root of 1118827 is about 103.8136146373.

It can be divided in two parts, 1 and 118827, that added together give a triangular number (118828 = T₄₈₇).

The spelling of 1118827 in words is "one million, one hundred eighteen thousand, eight hundred twenty-seven".