1227726 has 12 divisors (see below), whose sum is σ = 2660112. Its totient is φ = 409236.

The previous prime is 1227719. The next prime is 1227769. The reversal of 1227726 is 6277221.

It is a super-2 number, since 2×1227726² = 3014622262152, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1227726.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34086 + ... + 34121.

It is an arithmetic number, because the mean of its divisors is an integer number (221676).

2^1227726 is an apocalyptic number.

1227726 is an abundant number, since it is smaller than the sum of its proper divisors (1432386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227726 is a wasteful number, since it uses less digits than its factorization.

1227726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68215 (or 68212 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 1227726 is about 1108.0279779861. The cubic root of 1227726 is about 107.0780575793.

It can be divided in two parts, 1227 and 726, that added together give a triangular number (1953 = T₆₂).

The spelling of 1227726 in words is "one million, two hundred twenty-seven thousand, seven hundred twenty-six".