1101143826 has 48 divisors (see below), whose sum is σ = 2424528600. Its totient is φ = 361117440.

The previous prime is 1101143783. The next prime is 1101143831. The reversal of 1101143826 is 6283411011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 854685225 + 246458601 = 29235^2 + 15699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1101143826.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710100 + ... + 711648.

Almost surely, 2^1101143826 is an apocalyptic number.

1101143826 is an abundant number, since it is smaller than the sum of its proper divisors (1323384774).

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

1101143826 is a wasteful number, since it uses less digits than its factorization.

1101143826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1101143826 is about 33183.4872489315. The cubic root of 1101143826 is about 1032.6377941859.

Adding to 1101143826 its reverse (6283411011), we get a palindrome (7384554837).

The spelling of 1101143826 in words is "one billion, one hundred one million, one hundred forty-three thousand, eight hundred twenty-six".