1133200121 has 2 divisors, whose sum is σ = 1133200122. Its totient is φ = 1133200120.

The previous prime is 1133200099. The next prime is 1133200151. The reversal of 1133200121 is 1210023311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641912896 + 491287225 = 25336^2 + 22165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133200121 - 2¹⁸ = 1132937977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133200096 and 1133200105.

It is not a weakly prime, because it can be changed into another prime (1133200151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566600060 + 566600061.

It is an arithmetic number, because the mean of its divisors is an integer number (566600061).

Almost surely, 2^1133200121 is an apocalyptic number.

It is an amenable number.

1133200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133200121 is an equidigital number, since it uses as much as digits as its factorization.

1133200121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1133200121 is about 33663.0379050970. The cubic root of 1133200121 is about 1042.5627505469.

Adding to 1133200121 its reverse (1210023311), we get a palindrome (2343223432).

The spelling of 1133200121 in words is "one billion, one hundred thirty-three million, two hundred thousand, one hundred twenty-one".