1128100712 has 16 divisors (see below), whose sum is σ = 2115728100. Its totient is φ = 563906560.

The previous prime is 1128100703. The next prime is 1128100717. The reversal of 1128100712 is 2170018211.

It can be written as a sum of positive squares in 2 ways, for example, as 1106626756 + 21473956 = 33266^2 + 4634^2 .

It is a super-2 number, since 2×1128100712² = 2545222432829813888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128100717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20114 + ... + 51582.

Almost surely, 2^1128100712 is an apocalyptic number.

It is an amenable number.

1128100712 is a deficient number, since it is larger than the sum of its proper divisors (987627388).

1128100712 is a wasteful number, since it uses less digits than its factorization.

1128100712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35956 (or 35952 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 1128100712 is about 33587.2105421096. The cubic root of 1128100712 is about 1040.9965521720.

Adding to 1128100712 its reverse (2170018211), we get a palindrome (3298118923).

The spelling of 1128100712 in words is "one billion, one hundred twenty-eight million, one hundred thousand, seven hundred twelve".