112421245 has 8 divisors (see below), whose sum is σ = 135811800. Its totient is φ = 89332800.

The previous prime is 112421219. The next prime is 112421249. The reversal of 112421245 is 542124211.

It can be written as a sum of positive squares in 4 ways, for example, as 5484964 + 106936281 = 2342^2 + 10341^2 .

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

It is not a de Polignac number, because 112421245 - 2¹⁷ = 112290173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112421249) 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, 74706 + ... + 76195.

It is an arithmetic number, because the mean of its divisors is an integer number (16976475).

Almost surely, 2^112421245 is an apocalyptic number.

It is an amenable number.

112421245 is a deficient number, since it is larger than the sum of its proper divisors (23390555).

112421245 is a wasteful number, since it uses less digits than its factorization.

112421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151055.

The product of its digits is 640, while the sum is 22.

The square root of 112421245 is about 10602.8885215303. Note that the first 3 decimals coincide. The cubic root of 112421245 is about 482.6320184265.

Adding to 112421245 its reverse (542124211), we get a palindrome (654545456).

The spelling of 112421245 in words is "one hundred twelve million, four hundred twenty-one thousand, two hundred forty-five".