112780116 has 18 divisors (see below), whose sum is σ = 285083162. Its totient is φ = 37593360.

The previous prime is 112780111. The next prime is 112780117. The reversal of 112780116 is 611087211.

It can be written as a sum of positive squares in only one way, i.e., 108243216 + 4536900 = 10404^2 + 2130^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 112780116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112780111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1566355 + ... + 1566426.

Almost surely, 2^112780116 is an apocalyptic number.

It is an amenable number.

112780116 is an abundant number, since it is smaller than the sum of its proper divisors (172303046).

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

112780116 is a wasteful number, since it uses less digits than its factorization.

112780116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132791 (or 3132786 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 112780116 is about 10619.7983031694. The cubic root of 112780116 is about 483.1450254420.

It can be divided in two parts, 112780 and 116, that added together give a square (112896 = 336²).

The spelling of 112780116 in words is "one hundred twelve million, seven hundred eighty thousand, one hundred sixteen".