1121466691 has 2 divisors, whose sum is σ = 1121466692. Its totient is φ = 1121466690.

The previous prime is 1121466629. The next prime is 1121466713. The reversal of 1121466691 is 1966641211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121466691 - 2¹⁵ = 1121433923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121466691.

It is not a weakly prime, because it can be changed into another prime (1121466091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560733345 + 560733346.

It is an arithmetic number, because the mean of its divisors is an integer number (560733346).

Almost surely, 2^1121466691 is an apocalyptic number.

1121466691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121466691 is an equidigital number, since it uses as much as digits as its factorization.

1121466691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 1121466691 is about 33488.3067801285. The cubic root of 1121466691 is about 1038.9519431308.

The spelling of 1121466691 in words is "one billion, one hundred twenty-one million, four hundred sixty-six thousand, six hundred ninety-one".