1226911 has 12 divisors (see below), whose sum is σ = 1450992. Its totient is φ = 1037232.

The previous prime is 1226899. The next prime is 1226959. The reversal of 1226911 is 1196221.

It is not a de Polignac number, because 1226911 - 2⁷ = 1226783 is a prime.

It is a Duffinian number.

Its product of digits (216) is a multiple of the sum of its prime factors (108).

1226911 is a lucky number.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 16771 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (120916).

2^1226911 is an apocalyptic number.

1226911 is a deficient number, since it is larger than the sum of its proper divisors (224081).

1226911 is an frugal number, since it uses more digits than its factorization.

1226911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 80 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 1226911 is about 1107.6601464348. The cubic root of 1226911 is about 107.0543584981.

The spelling of 1226911 in words is "one million, two hundred twenty-six thousand, nine hundred eleven".