1112312421 has 24 divisors (see below), whose sum is σ = 1844987040. Its totient is φ = 638647200.

The previous prime is 1112312419. The next prime is 1112312423. The reversal of 1112312421 is 1242132111.

1112312421 is a `hidden beast` number, since 1 + 11 + 231 + 2 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (1112312419) and next prime (1112312423).

It is not a de Polignac number, because 1112312421 - 2¹ = 1112312419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112312394 and 1112312403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112312423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293790 + ... + 297551.

It is an arithmetic number, because the mean of its divisors is an integer number (76874460).

Almost surely, 2^1112312421 is an apocalyptic number.

1112312421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112312421 is a deficient number, since it is larger than the sum of its proper divisors (732674619).

1112312421 is a wasteful number, since it uses less digits than its factorization.

1112312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591377 (or 591374 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1112312421 is about 33351.3481136820. The cubic root of 1112312421 is about 1036.1173091200.

Adding to 1112312421 its reverse (1242132111), we get a palindrome (2354444532).

The spelling of 1112312421 in words is "one billion, one hundred twelve million, three hundred twelve thousand, four hundred twenty-one".