112140321 has 4 divisors (see below), whose sum is σ = 149520432. Its totient is φ = 74760212.

The previous prime is 112140283. The next prime is 112140359. The reversal of 112140321 is 123041211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (112140283) and next prime (112140359).

It is a cyclic number.

It is not a de Polignac number, because 112140321 - 2⁶ = 112140257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112140321.

It is not an unprimeable number, because it can be changed into a prime (112140521) 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, 18690051 + ... + 18690056.

It is an arithmetic number, because the mean of its divisors is an integer number (37380108).

Almost surely, 2^112140321 is an apocalyptic number.

It is an amenable number.

112140321 is a deficient number, since it is larger than the sum of its proper divisors (37380111).

112140321 is an equidigital number, since it uses as much as digits as its factorization.

112140321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37380110.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 112140321 is about 10589.6327131775. The cubic root of 112140321 is about 482.2296745218.

Adding to 112140321 its reverse (123041211), we get a palindrome (235181532).

The spelling of 112140321 in words is "one hundred twelve million, one hundred forty thousand, three hundred twenty-one".