1128365 has 16 divisors (see below), whose sum is σ = 1567488. Its totient is φ = 763776.

The previous prime is 1128349. The next prime is 1128371. The reversal of 1128365 is 5638211.

It is a cyclic number.

It is not a de Polignac number, because 1128365 - 2⁴ = 1128349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3449 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (97968).

2^1128365 is an apocalyptic number.

It is an amenable number.

1128365 is a deficient number, since it is larger than the sum of its proper divisors (439123).

1128365 is a wasteful number, since it uses less digits than its factorization.

1128365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its digits is 1440, while the sum is 26.

The square root of 1128365 is about 1062.2452635809. The cubic root of 1128365 is about 104.1077839659.

The spelling of 1128365 in words is "one million, one hundred twenty-eight thousand, three hundred sixty-five".