1180821226 has 16 divisors (see below), whose sum is σ = 1919189664. Its totient is φ = 541648944.

The previous prime is 1180821211. The next prime is 1180821247. The reversal of 1180821226 is 6221280811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135076 + ... + 143551.

It is an arithmetic number, because the mean of its divisors is an integer number (119949354).

Almost surely, 2^1180821226 is an apocalyptic number.

1180821226 is a deficient number, since it is larger than the sum of its proper divisors (738368438).

1180821226 is a wasteful number, since it uses less digits than its factorization.

1180821226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278805.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 1180821226 is about 34363.0794021723. The cubic root of 1180821226 is about 1056.9668917505.

The spelling of 1180821226 in words is "one billion, one hundred eighty million, eight hundred twenty-one thousand, two hundred twenty-six".