1133421203 has 4 divisors (see below), whose sum is σ = 1134513120. Its totient is φ = 1132329288.

The previous prime is 1133421197. The next prime is 1133421241. The reversal of 1133421203 is 3021243311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3021243311 = 7753 ⋅389687.

It is a cyclic number.

It is not a de Polignac number, because 1133421203 - 2¹⁶ = 1133355667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133421503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544400 + ... + 546477.

It is an arithmetic number, because the mean of its divisors is an integer number (283628280).

Almost surely, 2^1133421203 is an apocalyptic number.

1133421203 is a deficient number, since it is larger than the sum of its proper divisors (1091917).

1133421203 is a wasteful number, since it uses less digits than its factorization.

1133421203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091916.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1133421203 is about 33666.3214949302. The cubic root of 1133421203 is about 1042.6305458304.

Adding to 1133421203 its reverse (3021243311), we get a palindrome (4154664514).

The spelling of 1133421203 in words is "one billion, one hundred thirty-three million, four hundred twenty-one thousand, two hundred three".