1128147043 has 4 divisors (see below), whose sum is σ = 1128254400. Its totient is φ = 1128039688.

The previous prime is 1128147023. The next prime is 1128147049. The reversal of 1128147043 is 3407418211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1128147043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1128146996 and 1128147014.

It is not an unprimeable number, because it can be changed into a prime (1128147049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35968 + ... + 59581.

It is an arithmetic number, because the mean of its divisors is an integer number (282063600).

Almost surely, 2^1128147043 is an apocalyptic number.

1128147043 is a deficient number, since it is larger than the sum of its proper divisors (107357).

1128147043 is an equidigital number, since it uses as much as digits as its factorization.

1128147043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107356.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1128147043 is about 33587.9002469639. The cubic root of 1128147043 is about 1041.0108031901.

The spelling of 1128147043 in words is "one billion, one hundred twenty-eight million, one hundred forty-seven thousand, forty-three".