1121404463 has 2 divisors, whose sum is σ = 1121404464. Its totient is φ = 1121404462.

The previous prime is 1121404397. The next prime is 1121404469. The reversal of 1121404463 is 3644041211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121404463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121404469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560702231 + 560702232.

It is an arithmetic number, because the mean of its divisors is an integer number (560702232).

Almost surely, 2^1121404463 is an apocalyptic number.

1121404463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121404463 is an equidigital number, since it uses as much as digits as its factorization.

1121404463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1121404463 is about 33487.3776668165. The cubic root of 1121404463 is about 1038.9327263029.

Adding to 1121404463 its reverse (3644041211), we get a palindrome (4765445674).

The spelling of 1121404463 in words is "one billion, one hundred twenty-one million, four hundred four thousand, four hundred sixty-three".