1128122732 has 24 divisors (see below), whose sum is σ = 2175021072. Its totient is φ = 507704000.

The previous prime is 1128122713. The next prime is 1128122747. The reversal of 1128122732 is 2372218211.

It is a junction number, because it is equal to n+sod(n) for n = 1128122695 and 1128122704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122483 + ... + 131370.

It is an arithmetic number, because the mean of its divisors is an integer number (90625878).

Almost surely, 2^1128122732 is an apocalyptic number.

It is an amenable number.

1128122732 is a deficient number, since it is larger than the sum of its proper divisors (1046898340).

1128122732 is a wasteful number, since it uses less digits than its factorization.

1128122732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253969 (or 253967 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 1128122732 is about 33587.5383438560. The cubic root of 1128122732 is about 1041.0033253837.

The spelling of 1128122732 in words is "one billion, one hundred twenty-eight million, one hundred twenty-two thousand, seven hundred thirty-two".