1226771 has 24 divisors (see below), whose sum is σ = 1633824. Its totient is φ = 898560.

The previous prime is 1226767. The next prime is 1226779. The reversal of 1226771 is 1776221.

1226771 = 158² + 159² + ... + 196².

It is not a de Polignac number, because 1226771 - 2² = 1226767 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (1176) is a multiple of the sum of its prime divisors (98).

It is a self number, because there is not a number n which added to its sum of digits gives 1226771.

It is not an unprimeable number, because it can be changed into a prime (1226779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20081 + ... + 20141.

It is an arithmetic number, because the mean of its divisors is an integer number (68076).

2^1226771 is an apocalyptic number.

1226771 is a deficient number, since it is larger than the sum of its proper divisors (407053).

1226771 is a wasteful number, since it uses less digits than its factorization.

1226771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 98 counting only the distinct ones).

The product of its digits is 1176, while the sum is 26.

The square root of 1226771 is about 1107.5969483526. The cubic root of 1226771 is about 107.0502864341.

The spelling of 1226771 in words is "one million, two hundred twenty-six thousand, seven hundred seventy-one".