1121934487 has 2 divisors, whose sum is σ = 1121934488. Its totient is φ = 1121934486.

The previous prime is 1121934479. The next prime is 1121934491. The reversal of 1121934487 is 7844391211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121934487 - 2³ = 1121934479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121934427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560967243 + 560967244.

It is an arithmetic number, because the mean of its divisors is an integer number (560967244).

Almost surely, 2^1121934487 is an apocalyptic number.

1121934487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121934487 is an equidigital number, since it uses as much as digits as its factorization.

1121934487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 1121934487 is about 33495.2905197134. The cubic root of 1121934487 is about 1039.0963819582.

The spelling of 1121934487 in words is "one billion, one hundred twenty-one million, nine hundred thirty-four thousand, four hundred eighty-seven".