1421132347 has 2 divisors, whose sum is σ = 1421132348. Its totient is φ = 1421132346.

The previous prime is 1421132309. The next prime is 1421132359. The reversal of 1421132347 is 7432311241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421132347 - 2²⁷ = 1286914619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421133347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710566173 + 710566174.

It is an arithmetic number, because the mean of its divisors is an integer number (710566174).

Almost surely, 2^1421132347 is an apocalyptic number.

1421132347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421132347 is an equidigital number, since it uses as much as digits as its factorization.

1421132347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 1421132347 is about 37697.9090534210. The cubic root of 1421132347 is about 1124.2895522962.

Adding to 1421132347 its reverse (7432311241), we get a palindrome (8853443588).

The spelling of 1421132347 in words is "one billion, four hundred twenty-one million, one hundred thirty-two thousand, three hundred forty-seven".