1128841067 has 4 divisors (see below), whose sum is σ = 1129949880. Its totient is φ = 1127732256.

The previous prime is 1128841061. The next prime is 1128841093. The reversal of 1128841067 is 7601488211.

It is a happy number.

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 1128841067 - 2⁶ = 1128841003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1128841067.

It is not an unprimeable number, because it can be changed into a prime (1128841061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552878 + ... + 554915.

It is an arithmetic number, because the mean of its divisors is an integer number (282487470).

Almost surely, 2^1128841067 is an apocalyptic number.

1128841067 is a deficient number, since it is larger than the sum of its proper divisors (1108813).

1128841067 is a wasteful number, since it uses less digits than its factorization.

1128841067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108812.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1128841067 is about 33598.2301170761. The cubic root of 1128841067 is about 1041.2242323352.

The spelling of 1128841067 in words is "one billion, one hundred twenty-eight million, eight hundred forty-one thousand, sixty-seven".