112432421 has 4 divisors (see below), whose sum is σ = 112501932. Its totient is φ = 112362912.

The previous prime is 112432403. The next prime is 112432427. The reversal of 112432421 is 124234211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124234211 = 401 ⋅309811.

It can be written as a sum of positive squares in 2 ways, for example, as 62884900 + 49547521 = 7930^2 + 7039^2 .

It is a cyclic number.

It is not a de Polignac number, because 112432421 - 2¹⁴ = 112416037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112432393 and 112432402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112432427) 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, 32270 + ... + 35583.

It is an arithmetic number, because the mean of its divisors is an integer number (28125483).

Almost surely, 2^112432421 is an apocalyptic number.

It is an amenable number.

112432421 is a deficient number, since it is larger than the sum of its proper divisors (69511).

112432421 is an equidigital number, since it uses as much as digits as its factorization.

112432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69510.

The product of its digits is 384, while the sum is 20.

The square root of 112432421 is about 10603.4155346285. The cubic root of 112432421 is about 482.6480110049.

Adding to 112432421 its reverse (124234211), we get a palindrome (236666632).

The spelling of 112432421 in words is "one hundred twelve million, four hundred thirty-two thousand, four hundred twenty-one".