1128146 has 8 divisors (see below), whose sum is σ = 1717680. Its totient is φ = 555588.

The previous prime is 1128143. The next prime is 1128151. The reversal of 1128146 is 6418211.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1128143) 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, 4076 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (214710).

2^1128146 is an apocalyptic number.

1128146 is a deficient number, since it is larger than the sum of its proper divisors (589534).

1128146 is an equidigital number, since it uses as much as digits as its factorization.

1128146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488.

The product of its digits is 384, while the sum is 23.

The square root of 1128146 is about 1062.1421750406. The cubic root of 1128146 is about 104.1010482377.

The spelling of 1128146 in words is "one million, one hundred twenty-eight thousand, one hundred forty-six".