1128555752 has 8 divisors (see below), whose sum is σ = 2116042050. Its totient is φ = 564277872.

The previous prime is 1128555751. The next prime is 1128555797. The reversal of 1128555752 is 2575558211.

It can be written as a sum of positive squares in only one way, i.e., 655667236 + 472888516 = 25606^2 + 21746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1128555751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70534727 + ... + 70534742.

Almost surely, 2^1128555752 is an apocalyptic number.

It is an amenable number.

1128555752 is a deficient number, since it is larger than the sum of its proper divisors (987486298).

1128555752 is a wasteful number, since it uses less digits than its factorization.

1128555752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141069475 (or 141069471 counting only the distinct ones).

The product of its digits is 140000, while the sum is 41.

The square root of 1128555752 is about 33593.9838661627. The cubic root of 1128555752 is about 1041.1365016727.

The spelling of 1128555752 in words is "one billion, one hundred twenty-eight million, five hundred fifty-five thousand, seven hundred fifty-two".