1133303121 has 6 divisors (see below), whose sum is σ = 1636993410. Its totient is φ = 755535408.

The previous prime is 1133303117. The next prime is 1133303159. The reversal of 1133303121 is 1213033311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 611820225 + 521482896 = 24735^2 + 22836^2 .

It is not a de Polignac number, because 1133303121 - 2² = 1133303117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133303094 and 1133303103.

It is not an unprimeable number, because it can be changed into a prime (1133303221) 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, 62961276 + ... + 62961293.

It is an arithmetic number, because the mean of its divisors is an integer number (272832235).

Almost surely, 2^1133303121 is an apocalyptic number.

It is an amenable number.

1133303121 is a deficient number, since it is larger than the sum of its proper divisors (503690289).

1133303121 is a wasteful number, since it uses less digits than its factorization.

1133303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125922575 (or 125922572 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1133303121 is about 33664.5677382021. The cubic root of 1133303121 is about 1042.5943368214.

Adding to 1133303121 its reverse (1213033311), we get a palindrome (2346336432).

The spelling of 1133303121 in words is "one billion, one hundred thirty-three million, three hundred three thousand, one hundred twenty-one".