1128540832 has 12 divisors (see below), whose sum is σ = 2221814826. Its totient is φ = 564270400.

The previous prime is 1128540827. The next prime is 1128540841. The reversal of 1128540832 is 2380458211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 941507856 + 187032976 = 30684^2 + 13676^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17633419 + ... + 17633482.

Almost surely, 2^1128540832 is an apocalyptic number.

It is an amenable number.

1128540832 is a deficient number, since it is larger than the sum of its proper divisors (1093273994).

1128540832 is an equidigital number, since it uses as much as digits as its factorization.

1128540832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35266911 (or 35266903 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1128540832 is about 33593.7618018584. The cubic root of 1128540832 is about 1041.1319135594.

The spelling of 1128540832 in words is "one billion, one hundred twenty-eight million, five hundred forty thousand, eight hundred thirty-two".