1180211228 has 24 divisors (see below), whose sum is σ = 2361163392. Its totient is φ = 505646064.

The previous prime is 1180211189. The next prime is 1180211243. The reversal of 1180211228 is 8221120811.

It is a junction number, because it is equal to n+sod(n) for n = 1180211197 and 1180211206.

It is a congruent number.

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, 145775 + ... + 153657.

It is an arithmetic number, because the mean of its divisors is an integer number (98381808).

Almost surely, 2^1180211228 is an apocalyptic number.

It is an amenable number.

1180211228 is an abundant number, since it is smaller than the sum of its proper divisors (1180952164).

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

1180211228 is a wasteful number, since it uses less digits than its factorization.

1180211228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13241 (or 13239 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 1180211228 is about 34354.2024794638. The cubic root of 1180211228 is about 1056.7848549525.

The spelling of 1180211228 in words is "one billion, one hundred eighty million, two hundred eleven thousand, two hundred twenty-eight".