112513421 has 4 divisors (see below), whose sum is σ = 118435200. Its totient is φ = 106591644.

The previous prime is 112513409. The next prime is 112513433. The reversal of 112513421 is 124315211.

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 (112513409) and next prime (112513433).

It is a cyclic number.

It is not a de Polignac number, because 112513421 - 2¹⁰ = 112512397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112513393 and 112513402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112513481) 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, 2960861 + ... + 2960898.

It is an arithmetic number, because the mean of its divisors is an integer number (29608800).

Almost surely, 2^112513421 is an apocalyptic number.

It is an amenable number.

112513421 is a deficient number, since it is larger than the sum of its proper divisors (5921779).

112513421 is an equidigital number, since it uses as much as digits as its factorization.

112513421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921778.

The product of its digits is 240, while the sum is 20.

The square root of 112513421 is about 10607.2343709376. The cubic root of 112513421 is about 482.7638883292.

Adding to 112513421 its reverse (124315211), we get a palindrome (236828632).

The spelling of 112513421 in words is "one hundred twelve million, five hundred thirteen thousand, four hundred twenty-one".