112421031 has 4 divisors (see below), whose sum is σ = 149894712. Its totient is φ = 74947352.

The previous prime is 112421027. The next prime is 112421047. The reversal of 112421031 is 130124211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112421031 - 2² = 112421027 is a prime.

It is a super-2 number, since 2×112421031² = 25276976422205922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112421031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112421021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18736836 + ... + 18736841.

It is an arithmetic number, because the mean of its divisors is an integer number (37473678).

Almost surely, 2^112421031 is an apocalyptic number.

112421031 is a deficient number, since it is larger than the sum of its proper divisors (37473681).

112421031 is an equidigital number, since it uses as much as digits as its factorization.

112421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37473680.

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

The square root of 112421031 is about 10602.8784299359. The cubic root of 112421031 is about 482.6317121875.

Adding to 112421031 its reverse (130124211), we get a palindrome (242545242).

It can be divided in two parts, 1124 and 21031, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 112421031 in words is "one hundred twelve million, four hundred twenty-one thousand, thirty-one".