1133121239 has 2 divisors, whose sum is σ = 1133121240. Its totient is φ = 1133121238.

The previous prime is 1133121217. The next prime is 1133121271. The reversal of 1133121239 is 9321213311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133121239 - 2¹² = 1133117143 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133121139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566560619 + 566560620.

It is an arithmetic number, because the mean of its divisors is an integer number (566560620).

Almost surely, 2^1133121239 is an apocalyptic number.

1133121239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133121239 is an equidigital number, since it uses as much as digits as its factorization.

1133121239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 1133121239 is about 33661.8662435700. The cubic root of 1133121239 is about 1042.5385590731.

The spelling of 1133121239 in words is "one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred thirty-nine".