1128112122 has 16 divisors (see below), whose sum is σ = 2334025440. Its totient is φ = 363070512.

The previous prime is 1128112087. The next prime is 1128112123. The reversal of 1128112122 is 2212118211.

It is not an unprimeable number, because it can be changed into a prime (1128112123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241528 + ... + 3241875.

It is an arithmetic number, because the mean of its divisors is an integer number (145876590).

Almost surely, 2^1128112122 is an apocalyptic number.

1128112122 is an abundant number, since it is smaller than the sum of its proper divisors (1205913318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128112122 is a wasteful number, since it uses less digits than its factorization.

1128112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483437.

The product of its digits is 128, while the sum is 21.

The square root of 1128112122 is about 33587.3803980007. The cubic root of 1128112122 is about 1041.0000618263. Note that the first 4 decimals are identical.

The spelling of 1128112122 in words is "one billion, one hundred twenty-eight million, one hundred twelve thousand, one hundred twenty-two".