1334254421 has 2 divisors, whose sum is σ = 1334254422. Its totient is φ = 1334254420.

The previous prime is 1334254391. The next prime is 1334254457. The reversal of 1334254421 is 1244524331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311453796 + 22800625 = 36214^2 + 4775^2 .

It is an emirp because it is prime and its reverse (1244524331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1334254421 - 2²² = 1330060117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1334254121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667127210 + 667127211.

It is an arithmetic number, because the mean of its divisors is an integer number (667127211).

Almost surely, 2^1334254421 is an apocalyptic number.

It is an amenable number.

1334254421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334254421 is an equidigital number, since it uses as much as digits as its factorization.

1334254421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

The square root of 1334254421 is about 36527.4475018444. The cubic root of 1334254421 is about 1100.8958049976.

Adding to 1334254421 its reverse (1244524331), we get a palindrome (2578778752).

The spelling of 1334254421 in words is "one billion, three hundred thirty-four million, two hundred fifty-four thousand, four hundred twenty-one".