112284637921 has 3 divisors (see below), whose sum is σ = 112284973011. Its totient is φ = 112284302832.

The previous prime is 112284637919. The next prime is 112284637931. The reversal of 112284637921 is 129736482211.

The square root of 112284637921 is 335089.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 129736482211 = 7 ⋅18533783173.

It can be written as a sum of positive squares in only one way, i.e., 22212623521 + 90072014400 = 149039^2 + 300120^2 .

It is not a de Polignac number, because 112284637921 - 2¹ = 112284637919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112284637901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 167545 + ... + 502633.

It is an arithmetic number, because the mean of its divisors is an integer number (37428324337).

Almost surely, 2^112284637921 is an apocalyptic number.

112284637921 is the 335089-th square number.

112284637921 is the 167545-th centered octagonal number.

It is an amenable number.

112284637921 is a deficient number, since it is larger than the sum of its proper divisors (335090).

112284637921 is an frugal number, since it uses more digits than its factorization.

112284637921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670178 (or 335089 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The spelling of 112284637921 in words is "one hundred twelve billion, two hundred eighty-four million, six hundred thirty-seven thousand, nine hundred twenty-one".