112003421 has 2 divisors, whose sum is σ = 112003422. Its totient is φ = 112003420.

The previous prime is 112003379. The next prime is 112003439. The reversal of 112003421 is 124300211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106296100 + 5707321 = 10310^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 112003421 - 2⁶ = 112003357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112003396 and 112003405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112003471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56001710 + 56001711.

It is an arithmetic number, because the mean of its divisors is an integer number (56001711).

Almost surely, 2^112003421 is an apocalyptic number.

It is an amenable number.

112003421 is a deficient number, since it is larger than the sum of its proper divisors (1).

112003421 is an equidigital number, since it uses as much as digits as its factorization.

112003421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 112003421 is about 10583.1668700819. The cubic root of 112003421 is about 482.0333605807.

Adding to 112003421 its reverse (124300211), we get a palindrome (236303632).

The spelling of 112003421 in words is "one hundred twelve million, three thousand, four hundred twenty-one".