1342030421 has 4 divisors (see below), whose sum is σ = 1342104192. Its totient is φ = 1341956652.

The previous prime is 1342030411. The next prime is 1342030423. The reversal of 1342030421 is 1240302431.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1342030421 - 2⁶ = 1342030357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342030393 and 1342030402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342030423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11996 + ... + 53178.

It is an arithmetic number, because the mean of its divisors is an integer number (335526048).

Almost surely, 2^1342030421 is an apocalyptic number.

It is an amenable number.

1342030421 is a deficient number, since it is larger than the sum of its proper divisors (73771).

1342030421 is an equidigital number, since it uses as much as digits as its factorization.

1342030421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73770.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1342030421 is about 36633.7333751284. The cubic root of 1342030421 is about 1103.0303277269.

Adding to 1342030421 its reverse (1240302431), we get a palindrome (2582332852).

The spelling of 1342030421 in words is "one billion, three hundred forty-two million, thirty thousand, four hundred twenty-one".