1128633113 has 2 divisors, whose sum is σ = 1128633114. Its totient is φ = 1128633112.

The previous prime is 1128633101. The next prime is 1128633139. The reversal of 1128633113 is 3113368211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1099386649 + 29246464 = 33157^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128633113 - 2²⁰ = 1127584537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128633173) 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, 564316556 + 564316557.

It is an arithmetic number, because the mean of its divisors is an integer number (564316557).

Almost surely, 2^1128633113 is an apocalyptic number.

It is an amenable number.

1128633113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128633113 is an equidigital number, since it uses as much as digits as its factorization.

1128633113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 1128633113 is about 33595.1352579507. The cubic root of 1128633113 is about 1041.1602906379.

The spelling of 1128633113 in words is "one billion, one hundred twenty-eight million, six hundred thirty-three thousand, one hundred thirteen".