1128167 has 4 divisors (see below), whose sum is σ = 1158696. Its totient is φ = 1097640.

The previous prime is 1128161. The next prime is 1128181. The reversal of 1128167 is 7618211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1128167 - 2⁴ = 1128151 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 (1128161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15209 + ... + 15282.

It is an arithmetic number, because the mean of its divisors is an integer number (289674).

2^1128167 is an apocalyptic number.

1128167 is a deficient number, since it is larger than the sum of its proper divisors (30529).

1128167 is an equidigital number, since it uses as much as digits as its factorization.

1128167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30528.

The product of its digits is 672, while the sum is 26.

The square root of 1128167 is about 1062.1520606768. The cubic root of 1128167 is about 104.1016941672.

The spelling of 1128167 in words is "one million, one hundred twenty-eight thousand, one hundred sixty-seven".