1128264799 has 2 divisors, whose sum is σ = 1128264800. Its totient is φ = 1128264798.

The previous prime is 1128264727. The next prime is 1128264811. The reversal of 1128264799 is 9974628211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9974628211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1128264799 - 2¹³ = 1128256607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128264719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564132399 + 564132400.

It is an arithmetic number, because the mean of its divisors is an integer number (564132400).

Almost surely, 2^1128264799 is an apocalyptic number.

1128264799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128264799 is an equidigital number, since it uses as much as digits as its factorization.

1128264799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 1128264799 is about 33589.6531539104. The cubic root of 1128264799 is about 1041.0470221694.

The spelling of 1128264799 in words is "one billion, one hundred twenty-eight million, two hundred sixty-four thousand, seven hundred ninety-nine".