1261226 has 4 divisors (see below), whose sum is σ = 1891842. Its totient is φ = 630612.

The previous prime is 1261223. The next prime is 1261259. The reversal of 1261226 is 6221621.

It is a happy number.

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., 697225 + 564001 = 835^2 + 751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1261198 and 1261207.

It is not an unprimeable number, because it can be changed into a prime (1261223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315305 + ... + 315308.

2^1261226 is an apocalyptic number.

1261226 is a deficient number, since it is larger than the sum of its proper divisors (630616).

1261226 is an equidigital number, since it uses as much as digits as its factorization.

1261226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630615.

The product of its digits is 288, while the sum is 20.

The square root of 1261226 is about 1123.0431870592. The cubic root of 1261226 is about 108.0432497104.

Adding to 1261226 its reverse (6221621), we get a palindrome (7482847).

The spelling of 1261226 in words is "one million, two hundred sixty-one thousand, two hundred twenty-six".