1128075269 has 4 divisors (see below), whose sum is σ = 1128199296. Its totient is φ = 1127951244.

The previous prime is 1128075259. The next prime is 1128075281. The reversal of 1128075269 is 9625708211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1128075269 - 2⁴ = 1128075253 is a prime.

It is a super-2 number, since 2×1128075269² = 2545107625058844722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128075259) 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 3 ways as a sum of consecutive naturals, for example, 47189 + ... + 66954.

It is an arithmetic number, because the mean of its divisors is an integer number (282049824).

Almost surely, 2^1128075269 is an apocalyptic number.

It is an amenable number.

1128075269 is a deficient number, since it is larger than the sum of its proper divisors (124027).

1128075269 is an equidigital number, since it uses as much as digits as its factorization.

1128075269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124026.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1128075269 is about 33586.8317797318. The cubic root of 1128075269 is about 1040.9887259575.

The spelling of 1128075269 in words is "one billion, one hundred twenty-eight million, seventy-five thousand, two hundred sixty-nine".