1226018 has 4 divisors (see below), whose sum is σ = 1839030. Its totient is φ = 613008.

The previous prime is 1226011. The next prime is 1226041. The reversal of 1226018 is 8106221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1216609 + 9409 = 1103^2 + 97^2 .

It is not an unprimeable number, because it can be changed into a prime (1226011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306503 + ... + 306506.

2^1226018 is an apocalyptic number.

1226018 is a deficient number, since it is larger than the sum of its proper divisors (613012).

1226018 is an equidigital number, since it uses as much as digits as its factorization.

1226018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613011.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1226018 is about 1107.2569710776. The cubic root of 1226018 is about 107.0283792311.

The spelling of 1226018 in words is "one million, two hundred twenty-six thousand, eighteen".