1133241220 has 12 divisors (see below), whose sum is σ = 2379806604. Its totient is φ = 453296480.

The previous prime is 1133241191. The next prime is 1133241289. The reversal of 1133241220 is 221423311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198471744 + 934769476 = 14088^2 + 30574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28331011 + ... + 28331050.

It is an arithmetic number, because the mean of its divisors is an integer number (198317217).

Almost surely, 2^1133241220 is an apocalyptic number.

1133241220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133241220 is an abundant number, since it is smaller than the sum of its proper divisors (1246565384).

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

1133241220 is a wasteful number, since it uses less digits than its factorization.

1133241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56662070 (or 56662068 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1133241220 is about 33663.6483465473. The cubic root of 1133241220 is about 1042.5753543132.

Adding to 1133241220 its reverse (221423311), we get a palindrome (1354664531).

The spelling of 1133241220 in words is "one billion, one hundred thirty-three million, two hundred forty-one thousand, two hundred twenty".