1226073 has 4 divisors (see below), whose sum is σ = 1634768. Its totient is φ = 817380.

The previous prime is 1226063. The next prime is 1226077. The reversal of 1226073 is 3706221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1226073 - 2⁵ = 1226041 is a prime.

It is a super-3 number, since 3×1226073³ = 5529301107733353051, which contains 333 as substring.

It is a d-powerful number, because it can be written as 1 + 2¹⁹ + 2¹⁹ + 6 + 0 + 7³ + 3¹¹ .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

1226073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1226077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204343 + ... + 204348.

It is an arithmetic number, because the mean of its divisors is an integer number (408692).

2^1226073 is an apocalyptic number.

It is an amenable number.

1226073 is a deficient number, since it is larger than the sum of its proper divisors (408695).

1226073 is an equidigital number, since it uses as much as digits as its factorization.

1226073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408694.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1226073 is about 1107.2818069489. The cubic root of 1226073 is about 107.0299796624.

The spelling of 1226073 in words is "one million, two hundred twenty-six thousand, seventy-three".