1134021321 has 6 divisors (see below), whose sum is σ = 1638030810. Its totient is φ = 756014208.

The previous prime is 1134021313. The next prime is 1134021373. The reversal of 1134021321 is 1231204311.

1134021321 is a `hidden beast` number, since 1 + 1 + 340 + 2 + 1 + 321 = 666.

1134021321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 602211600 + 531809721 = 24540^2 + 23061^2 .

It is not a de Polignac number, because 1134021321 - 2³ = 1134021313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1134021294 and 1134021303.

It is not an unprimeable number, because it can be changed into a prime (1134021391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63001176 + ... + 63001193.

It is an arithmetic number, because the mean of its divisors is an integer number (273005135).

Almost surely, 2^1134021321 is an apocalyptic number.

It is an amenable number.

1134021321 is a deficient number, since it is larger than the sum of its proper divisors (504009489).

1134021321 is a wasteful number, since it uses less digits than its factorization.

1134021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126002375 (or 126002372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1134021321 is about 33675.2330504185. The cubic root of 1134021321 is about 1042.8145289068.

Adding to 1134021321 its reverse (1231204311), we get a palindrome (2365225632).

The spelling of 1134021321 in words is "one billion, one hundred thirty-four million, twenty-one thousand, three hundred twenty-one".