112550781 has 32 divisors (see below), whose sum is σ = 180488448. Its totient is φ = 61032960.

The previous prime is 112550741. The next prime is 112550783. The reversal of 112550781 is 187055211.

It is not a de Polignac number, because 112550781 - 2⁶ = 112550717 is a prime.

It is a super-2 number, since 2×112550781² = 25335356607419922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112550783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30091 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (5640264).

Almost surely, 2^112550781 is an apocalyptic number.

It is an amenable number.

112550781 is a deficient number, since it is larger than the sum of its proper divisors (67937667).

112550781 is a wasteful number, since it uses less digits than its factorization.

112550781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621.

The product of its (nonzero) digits is 2800, while the sum is 30.

The square root of 112550781 is about 10608.9952870194. The cubic root of 112550781 is about 482.8173162159.

The spelling of 112550781 in words is "one hundred twelve million, five hundred fifty thousand, seven hundred eighty-one".