1128188433 has 8 divisors (see below), whose sum is σ = 1569653568. Its totient is φ = 719424464.

The previous prime is 1128188417. The next prime is 1128188471. The reversal of 1128188433 is 3348818211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1128188433 - 2⁴ = 1128188417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1128188391 and 1128188400.

It is not an unprimeable number, because it can be changed into a prime (1128188933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175210 + ... + 8175347.

It is an arithmetic number, because the mean of its divisors is an integer number (196206696).

Almost surely, 2^1128188433 is an apocalyptic number.

It is an amenable number.

1128188433 is a deficient number, since it is larger than the sum of its proper divisors (441465135).

1128188433 is a wasteful number, since it uses less digits than its factorization.

1128188433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16350583.

The product of its digits is 36864, while the sum is 39.

The square root of 1128188433 is about 33588.5163858126. The cubic root of 1128188433 is about 1041.0235340690.

The spelling of 1128188433 in words is "one billion, one hundred twenty-eight million, one hundred eighty-eight thousand, four hundred thirty-three".