1141221133 has 8 divisors (see below), whose sum is σ = 1230024600. Its totient is φ = 1052563008.

The previous prime is 1141221091. The next prime is 1141221139. The reversal of 1141221133 is 3311221411.

It can be written as a sum of positive squares in 4 ways, for example, as 50438404 + 1090782729 = 7102^2 + 33027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141221133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141221139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19738 + ... + 51691.

It is an arithmetic number, because the mean of its divisors is an integer number (153753075).

Almost surely, 2^1141221133 is an apocalyptic number.

1141221133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1141221133 is a deficient number, since it is larger than the sum of its proper divisors (88803467).

1141221133 is a wasteful number, since it uses less digits than its factorization.

1141221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72671.

The product of its digits is 144, while the sum is 19.

The square root of 1141221133 is about 33781.9646113129. The cubic root of 1141221133 is about 1045.0167905546.

Adding to 1141221133 its reverse (3311221411), we get a palindrome (4452442544).

The spelling of 1141221133 in words is "one billion, one hundred forty-one million, two hundred twenty-one thousand, one hundred thirty-three".