1128729883 has 2 divisors, whose sum is σ = 1128729884. Its totient is φ = 1128729882.

The previous prime is 1128729859. The next prime is 1128729893. The reversal of 1128729883 is 3889278211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128729883 - 2²⁵ = 1095175451 is a prime.

It is a super-2 number, since 2×1128729883² = 2548062297554387378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1128729893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564364941 + 564364942.

It is an arithmetic number, because the mean of its divisors is an integer number (564364942).

Almost surely, 2^1128729883 is an apocalyptic number.

1128729883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128729883 is an equidigital number, since it uses as much as digits as its factorization.

1128729883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 49.

The square root of 1128729883 is about 33596.5754653655. The cubic root of 1128729883 is about 1041.1900464552.

The spelling of 1128729883 in words is "one billion, one hundred twenty-eight million, seven hundred twenty-nine thousand, eight hundred eighty-three".