1342332421 has 2 divisors, whose sum is σ = 1342332422. Its totient is φ = 1342332420.

The previous prime is 1342332403. The next prime is 1342332437. The reversal of 1342332421 is 1242332431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1034329921 + 308002500 = 32161^2 + 17550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342332421 - 2¹⁹ = 1341808133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342332451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671166210 + 671166211.

It is an arithmetic number, because the mean of its divisors is an integer number (671166211).

Almost surely, 2^1342332421 is an apocalyptic number.

It is an amenable number.

1342332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342332421 is an equidigital number, since it uses as much as digits as its factorization.

1342332421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 1342332421 is about 36637.8550272802. The cubic root of 1342332421 is about 1103.1130606192.

Adding to 1342332421 its reverse (1242332431), we get a palindrome (2584664852).

The spelling of 1342332421 in words is "one billion, three hundred forty-two million, three hundred thirty-two thousand, four hundred twenty-one".