1128141 has 32 divisors (see below), whose sum is σ = 1966080. Its totient is φ = 625968.

The previous prime is 1128109. The next prime is 1128143. The reversal of 1128141 is 1418211.

It is not a de Polignac number, because 1128141 - 2⁵ = 1128109 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8820 + ... + 8946.

It is an arithmetic number, because the mean of its divisors is an integer number (61440).

2^1128141 is an apocalyptic number.

It is an amenable number.

1128141 is a deficient number, since it is larger than the sum of its proper divisors (837939).

1128141 is a wasteful number, since it uses less digits than its factorization.

1128141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1128141 is about 1062.1398213041. The cubic root of 1128141 is about 104.1008944437.

The spelling of 1128141 in words is "one million, one hundred twenty-eight thousand, one hundred forty-one".