1421252341 has 2 divisors, whose sum is σ = 1421252342. Its totient is φ = 1421252340.

The previous prime is 1421252321. The next prime is 1421252351. The reversal of 1421252341 is 1432521241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230536241 + 190716100 = 35079^2 + 13810^2 .

It is an emirp because it is prime and its reverse (1432521241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421252341 - 2⁹ = 1421251829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421252311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710626170 + 710626171.

It is an arithmetic number, because the mean of its divisors is an integer number (710626171).

Almost surely, 2^1421252341 is an apocalyptic number.

It is an amenable number.

1421252341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421252341 is an equidigital number, since it uses as much as digits as its factorization.

1421252341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 1421252341 is about 37699.5005404581. The cubic root of 1421252341 is about 1124.3211947172.

Adding to 1421252341 its reverse (1432521241), we get a palindrome (2853773582).

The spelling of 1421252341 in words is "one billion, four hundred twenty-one million, two hundred fifty-two thousand, three hundred forty-one".