1117844072 has 8 divisors (see below), whose sum is σ = 2095957650. Its totient is φ = 558922032.

The previous prime is 1117844071. The next prime is 1117844089. The reversal of 1117844072 is 2704487111.

It can be written as a sum of positive squares in only one way, i.e., 1039804516 + 78039556 = 32246^2 + 8834^2 .

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 (1117844071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69865247 + ... + 69865262.

Almost surely, 2^1117844072 is an apocalyptic number.

It is an amenable number.

1117844072 is a deficient number, since it is larger than the sum of its proper divisors (978113578).

1117844072 is a wasteful number, since it uses less digits than its factorization.

1117844072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139730515 (or 139730511 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1117844072 is about 33434.1752104041. The cubic root of 1117844072 is about 1037.8320445306.

The spelling of 1117844072 in words is "one billion, one hundred seventeen million, eight hundred forty-four thousand, seventy-two".