1112413421 has 4 divisors (see below), whose sum is σ = 1271329632. Its totient is φ = 953497212.

The previous prime is 1112413417. The next prime is 1112413429. The reversal of 1112413421 is 1243142111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1243142111 = 23 ⋅54049657.

It is a cyclic number.

It is not a de Polignac number, because 1112413421 - 2² = 1112413417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112413393 and 1112413402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112413429) 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, 79458095 + ... + 79458108.

It is an arithmetic number, because the mean of its divisors is an integer number (317832408).

Almost surely, 2^1112413421 is an apocalyptic number.

It is an amenable number.

1112413421 is a deficient number, since it is larger than the sum of its proper divisors (158916211).

1112413421 is an equidigital number, since it uses as much as digits as its factorization.

1112413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158916210.

The product of its digits is 192, while the sum is 20.

The square root of 1112413421 is about 33352.8622609814. The cubic root of 1112413421 is about 1036.1486686191.

Adding to 1112413421 its reverse (1243142111), we get a palindrome (2355555532).

The spelling of 1112413421 in words is "one billion, one hundred twelve million, four hundred thirteen thousand, four hundred twenty-one".