1134430221 has 8 divisors (see below), whose sum is σ = 1521024480. Its totient is φ = 752061392.

The previous prime is 1134430217. The next prime is 1134430243. The reversal of 1134430221 is 1220344311.

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

It is a cyclic number.

It is not a de Polignac number, because 1134430221 - 2² = 1134430217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134435221) 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, 1055730 + ... + 1056803.

It is an arithmetic number, because the mean of its divisors is an integer number (190128060).

Almost surely, 2^1134430221 is an apocalyptic number.

It is an amenable number.

1134430221 is a deficient number, since it is larger than the sum of its proper divisors (386594259).

1134430221 is a wasteful number, since it uses less digits than its factorization.

1134430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112715.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1134430221 is about 33681.3037307050. The cubic root of 1134430221 is about 1042.9398515419.

Adding to 1134430221 its reverse (1220344311), we get a palindrome (2354774532).

The spelling of 1134430221 in words is "one billion, one hundred thirty-four million, four hundred thirty thousand, two hundred twenty-one".