1135887012 has 36 divisors (see below), whose sum is σ = 3092138140. Its totient is φ = 349503552.

The previous prime is 1135887007. The next prime is 1135887017. The reversal of 1135887012 is 2107885311.

1135887012 is a `hidden beast` number, since 1 + 1 + 3 + 588 + 70 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1135887007) and next prime (1135887017).

It can be written as a sum of positive squares in 2 ways, for example, as 489913956 + 645973056 = 22134^2 + 25416^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1135887017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1213087 + ... + 1214022.

Almost surely, 2^1135887012 is an apocalyptic number.

1135887012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1135887012 is an abundant number, since it is smaller than the sum of its proper divisors (1956251128).

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

1135887012 is a wasteful number, since it uses less digits than its factorization.

1135887012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427132 (or 2427127 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1135887012 is about 33702.9228999504. The cubic root of 1135887012 is about 1043.3860947935.

The spelling of 1135887012 in words is "one billion, one hundred thirty-five million, eight hundred eighty-seven thousand, twelve".