1128435 has 32 divisors (see below), whose sum is σ = 2253312. Its totient is φ = 468480.

The previous prime is 1128433. The next prime is 1128451. The reversal of 1128435 is 5348211.

1128435 = 81² + 82² + ... + 157².

It is not a de Polignac number, because 1128435 - 2¹ = 1128433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (70416).

2^1128435 is an apocalyptic number.

1128435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128435 is a deficient number, since it is larger than the sum of its proper divisors (1124877).

1128435 is a wasteful number, since it uses less digits than its factorization.

1128435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its digits is 960, while the sum is 24.

The square root of 1128435 is about 1062.2782121460. The cubic root of 1128435 is about 104.1099367545.

The spelling of 1128435 in words is "one million, one hundred twenty-eight thousand, four hundred thirty-five".