1133021801 has 2 divisors, whose sum is σ = 1133021802. Its totient is φ = 1133021800.

The previous prime is 1133021767. The next prime is 1133021963. The reversal of 1133021801 is 1081203311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094021776 + 39000025 = 33076^2 + 6245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133021801 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1133024801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566510900 + 566510901.

It is an arithmetic number, because the mean of its divisors is an integer number (566510901).

Almost surely, 2^1133021801 is an apocalyptic number.

It is an amenable number.

1133021801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133021801 is an equidigital number, since it uses as much as digits as its factorization.

1133021801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1133021801 is about 33660.3891985818. The cubic root of 1133021801 is about 1042.5080619006.

The spelling of 1133021801 in words is "one billion, one hundred thirty-three million, twenty-one thousand, eight hundred one".