112202138 has 8 divisors (see below), whose sum is σ = 169158132. Its totient is φ = 55816096.

The previous prime is 112202137. The next prime is 112202141. The reversal of 112202138 is 831202211.

It can be written as a sum of positive squares in 2 ways, for example, as 84143929 + 28058209 = 9173^2 + 5297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112202137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141995 + ... + 142782.

Almost surely, 2^112202138 is an apocalyptic number.

112202138 is a deficient number, since it is larger than the sum of its proper divisors (56955994).

112202138 is a wasteful number, since it uses less digits than its factorization.

112202138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284976.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 112202138 is about 10592.5510619491. The cubic root of 112202138 is about 482.3182674432.

Adding to 112202138 its reverse (831202211), we get a palindrome (943404349).

The spelling of 112202138 in words is "one hundred twelve million, two hundred two thousand, one hundred thirty-eight".