1128099 has 8 divisors (see below), whose sum is σ = 1719040. Its totient is φ = 644616.

The previous prime is 1128091. The next prime is 1128107. The reversal of 1128099 is 9908211.

It is an interprime number because it is at equal distance from previous prime (1128091) and next prime (1128107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1128099 - 2³ = 1128091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26839 + ... + 26880.

It is an arithmetic number, because the mean of its divisors is an integer number (214880).

2^1128099 is an apocalyptic number.

1128099 is a deficient number, since it is larger than the sum of its proper divisors (590941).

1128099 is an equidigital number, since it uses as much as digits as its factorization.

1128099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53729.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1128099 is about 1062.1200497119. The cubic root of 1128099 is about 104.0996025568.

The spelling of 1128099 in words is "one million, one hundred twenty-eight thousand, ninety-nine".