1120885691 has 2 divisors, whose sum is σ = 1120885692. Its totient is φ = 1120885690.

The previous prime is 1120885651. The next prime is 1120885723. The reversal of 1120885691 is 1965880211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1965880211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120885691 - 2⁶ = 1120885627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120885651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560442845 + 560442846.

It is an arithmetic number, because the mean of its divisors is an integer number (560442846).

Almost surely, 2^1120885691 is an apocalyptic number.

1120885691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120885691 is an equidigital number, since it uses as much as digits as its factorization.

1120885691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 41.

The square root of 1120885691 is about 33479.6309866163. The cubic root of 1120885691 is about 1038.7724949863.

The spelling of 1120885691 in words is "one billion, one hundred twenty million, eight hundred eighty-five thousand, six hundred ninety-one".