1121488567 has 2 divisors, whose sum is σ = 1121488568. Its totient is φ = 1121488566.

The previous prime is 1121488517. The next prime is 1121488583. The reversal of 1121488567 is 7658841211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121488567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121488517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560744283 + 560744284.

It is an arithmetic number, because the mean of its divisors is an integer number (560744284).

Almost surely, 2^1121488567 is an apocalyptic number.

1121488567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121488567 is an equidigital number, since it uses as much as digits as its factorization.

1121488567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 43.

The square root of 1121488567 is about 33488.6334000060. The cubic root of 1121488567 is about 1038.9586985595.

The spelling of 1121488567 in words is "one billion, one hundred twenty-one million, four hundred eighty-eight thousand, five hundred sixty-seven".