1158128 has 10 divisors (see below), whose sum is σ = 2243904. Its totient is φ = 579056.

The previous prime is 1158121. The next prime is 1158133. The reversal of 1158128 is 8218511.

It is a junction number, because it is equal to n+sod(n) for n = 1158097 and 1158106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158121) 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 as a sum of consecutive naturals, namely, 36176 + ... + 36207.

2^1158128 is an apocalyptic number.

It is an amenable number.

1158128 is a deficient number, since it is larger than the sum of its proper divisors (1085776).

1158128 is an equidigital number, since it uses as much as digits as its factorization.

1158128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72391 (or 72385 counting only the distinct ones).

The product of its digits is 640, while the sum is 26.

The square root of 1158128 is about 1076.1635563426. The cubic root of 1158128 is about 105.0152056588.

The spelling of 1158128 in words is "one million, one hundred fifty-eight thousand, one hundred twenty-eight".