1153984873 has 2 divisors, whose sum is σ = 1153984874. Its totient is φ = 1153984872.

The previous prime is 1153984861. The next prime is 1153984883. The reversal of 1153984873 is 3784893511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774397584 + 379587289 = 27828^2 + 19483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153984873 - 2²¹ = 1151887721 is a prime.

It is a super-2 number, since 2×1153984873² = 2663362174225652258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1153984883) 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, 576992436 + 576992437.

It is an arithmetic number, because the mean of its divisors is an integer number (576992437).

Almost surely, 2^1153984873 is an apocalyptic number.

It is an amenable number.

1153984873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153984873 is an equidigital number, since it uses as much as digits as its factorization.

1153984873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The square root of 1153984873 is about 33970.3528536281. The cubic root of 1153984873 is about 1048.8982769121.

The spelling of 1153984873 in words is "one billion, one hundred fifty-three million, nine hundred eighty-four thousand, eight hundred seventy-three".