112121255 has 8 divisors (see below), whose sum is σ = 134631024. Its totient is φ = 89640000.

The previous prime is 112121249. The next prime is 112121257. The reversal of 112121255 is 552121211.

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

It is a de Polignac number, because none of the positive numbers 2^k-112121255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121257) 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 7 ways as a sum of consecutive naturals, for example, 2780 + ... + 15230.

It is an arithmetic number, because the mean of its divisors is an integer number (16828878).

Almost surely, 2^112121255 is an apocalyptic number.

112121255 is a deficient number, since it is larger than the sum of its proper divisors (22509769).

112121255 is a wasteful number, since it uses less digits than its factorization.

112121255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14257.

The product of its digits is 200, while the sum is 20.

The square root of 112121255 is about 10588.7324548314. The cubic root of 112121255 is about 482.2023435493.

Adding to 112121255 its reverse (552121211), we get a palindrome (664242466).

The spelling of 112121255 in words is "one hundred twelve million, one hundred twenty-one thousand, two hundred fifty-five".