1121754847 has 2 divisors, whose sum is σ = 1121754848. Its totient is φ = 1121754846.

The previous prime is 1121754833. The next prime is 1121754859. The reversal of 1121754847 is 7484571211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121754847 - 2²⁷ = 987537119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121754247) 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, 560877423 + 560877424.

It is an arithmetic number, because the mean of its divisors is an integer number (560877424).

Almost surely, 2^1121754847 is an apocalyptic number.

1121754847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121754847 is an equidigital number, since it uses as much as digits as its factorization.

1121754847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 40.

The square root of 1121754847 is about 33492.6088413548. The cubic root of 1121754847 is about 1039.0409202417.

The spelling of 1121754847 in words is "one billion, one hundred twenty-one million, seven hundred fifty-four thousand, eight hundred forty-seven".