1133246789 has 2 divisors, whose sum is σ = 1133246790. Its totient is φ = 1133246788.

The previous prime is 1133246783. The next prime is 1133246801. The reversal of 1133246789 is 9876423311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127817889 + 5428900 = 33583^2 + 2330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133246789 - 2⁸ = 1133246533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133246783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566623394 + 566623395.

It is an arithmetic number, because the mean of its divisors is an integer number (566623395).

Almost surely, 2^1133246789 is an apocalyptic number.

It is an amenable number.

1133246789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133246789 is an equidigital number, since it uses as much as digits as its factorization.

1133246789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 1133246789 is about 33663.7310617822. The cubic root of 1133246789 is about 1042.5770621263.

The spelling of 1133246789 in words is "one billion, one hundred thirty-three million, two hundred forty-six thousand, seven hundred eighty-nine".