1133520961 has 2 divisors, whose sum is σ = 1133520962. Its totient is φ = 1133520960.

The previous prime is 1133520931. The next prime is 1133520989. The reversal of 1133520961 is 1690253311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1051056400 + 82464561 = 32420^2 + 9081^2 .

It is an emirp because it is prime and its reverse (1690253311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1133520961 - 2⁵ = 1133520929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1133520931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566760480 + 566760481.

It is an arithmetic number, because the mean of its divisors is an integer number (566760481).

Almost surely, 2^1133520961 is an apocalyptic number.

It is an amenable number.

1133520961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133520961 is an equidigital number, since it uses as much as digits as its factorization.

1133520961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1133520961 is about 33667.8030319770. The cubic root of 1133520961 is about 1042.6611339549.

The spelling of 1133520961 in words is "one billion, one hundred thirty-three million, five hundred twenty thousand, nine hundred sixty-one".