1155000712 has 8 divisors (see below), whose sum is σ = 2165626350. Its totient is φ = 577500352.

The previous prime is 1155000703. The next prime is 1155000713. The reversal of 1155000712 is 2170005511.

It can be written as a sum of positive squares in only one way, i.e., 1097331876 + 57668836 = 33126^2 + 7594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1155000713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72187537 + ... + 72187552.

Almost surely, 2^1155000712 is an apocalyptic number.

It is an amenable number.

1155000712 is a deficient number, since it is larger than the sum of its proper divisors (1010625638).

1155000712 is a wasteful number, since it uses less digits than its factorization.

1155000712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144375095 (or 144375091 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 1155000712 is about 33985.3014110512. The cubic root of 1155000712 is about 1049.2059641566.

The spelling of 1155000712 in words is "one billion, one hundred fifty-five million, seven hundred twelve", and thus it is an aban number.