1128632548 has 12 divisors (see below), whose sum is σ = 1975342320. Its totient is φ = 564249032.

The previous prime is 1128632521. The next prime is 1128632569. The reversal of 1128632548 is 8452368211.

It is a super-2 number, since 2×1128632548² = 2547622856809944608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1128632548.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55815 + ... + 73297.

It is an arithmetic number, because the mean of its divisors is an integer number (164611860).

Almost surely, 2^1128632548 is an apocalyptic number.

It is an amenable number.

1128632548 is a deficient number, since it is larger than the sum of its proper divisors (846709772).

1128632548 is a wasteful number, since it uses less digits than its factorization.

1128632548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33626 (or 33624 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 1128632548 is about 33595.1268489940. The cubic root of 1128632548 is about 1041.1601169010.

It can be divided in two parts, 11286 and 32548, that added together give a palindrome (43834).

The spelling of 1128632548 in words is "one billion, one hundred twenty-eight million, six hundred thirty-two thousand, five hundred forty-eight".