112081778 has 4 divisors (see below), whose sum is σ = 168122670. Its totient is φ = 56040888.

The previous prime is 112081777. The next prime is 112081787. The reversal of 112081778 is 877180211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111872929 + 208849 = 10577^2 + 457^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112081777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28020443 + ... + 28020446.

Almost surely, 2^112081778 is an apocalyptic number.

112081778 is a deficient number, since it is larger than the sum of its proper divisors (56040892).

112081778 is an equidigital number, since it uses as much as digits as its factorization.

112081778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56040891.

The product of its (nonzero) digits is 6272, while the sum is 35.

The square root of 112081778 is about 10586.8681865791. The cubic root of 112081778 is about 482.1457437058.

The spelling of 112081778 in words is "one hundred twelve million, eighty-one thousand, seven hundred seventy-eight".