1261326 has 32 divisors (see below), whose sum is σ = 2851200. Its totient is φ = 368480.

The previous prime is 1261321. The next prime is 1261327. The reversal of 1261326 is 6231621.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1261321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (89100).

2^1261326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1261326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425600).

1261326 is an abundant number, since it is smaller than the sum of its proper divisors (1589874).

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

1261326 is a wasteful number, since it uses less digits than its factorization.

1261326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its digits is 432, while the sum is 21.

The square root of 1261326 is about 1123.0877080620. The cubic root of 1261326 is about 108.0461051435.

Adding to 1261326 its reverse (6231621), we get a palindrome (7492947).

The spelling of 1261326 in words is "one million, two hundred sixty-one thousand, three hundred twenty-six".