1128599 has 2 divisors, whose sum is σ = 1128600. Its totient is φ = 1128598.

The previous prime is 1128583. The next prime is 1128601. The reversal of 1128599 is 9958211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128599 - 2⁴ = 1128583 is a prime.

Together with 1128601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564299 + 564300.

It is an arithmetic number, because the mean of its divisors is an integer number (564300).

2^1128599 is an apocalyptic number.

1128599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128599 is an equidigital number, since it uses as much as digits as its factorization.

1128599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 35.

The square root of 1128599 is about 1062.3554019254. The cubic root of 1128599 is about 104.1149800823.

The spelling of 1128599 in words is "one million, one hundred twenty-eight thousand, five hundred ninety-nine".