1128113012 has 12 divisors (see below), whose sum is σ = 2126059236. Its totient is φ = 520667520.

The previous prime is 1128112967. The next prime is 1128113053. The reversal of 1128113012 is 2103118211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 422466916 + 705646096 = 20554^2 + 26564^2 .

It is a congruent number.

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, 10847189 + ... + 10847292.

It is an arithmetic number, because the mean of its divisors is an integer number (177171603).

Almost surely, 2^1128113012 is an apocalyptic number.

It is an amenable number.

1128113012 is a deficient number, since it is larger than the sum of its proper divisors (997946224).

1128113012 is a wasteful number, since it uses less digits than its factorization.

1128113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694498 (or 21694496 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 1128113012 is about 33587.3936470218. The cubic root of 1128113012 is about 1041.0003355845. Note that the first 3 decimals are identical.

The spelling of 1128113012 in words is "one billion, one hundred twenty-eight million, one hundred thirteen thousand, twelve".