1421134259 has 2 divisors, whose sum is σ = 1421134260. Its totient is φ = 1421134258.

The previous prime is 1421134213. The next prime is 1421134283. The reversal of 1421134259 is 9524311241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421134259 - 2¹⁶ = 1421068723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1421130259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710567129 + 710567130.

It is an arithmetic number, because the mean of its divisors is an integer number (710567130).

Almost surely, 2^1421134259 is an apocalyptic number.

1421134259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421134259 is an equidigital number, since it uses as much as digits as its factorization.

1421134259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 1421134259 is about 37697.9344129092. The cubic root of 1421134259 is about 1124.2900565047.

The spelling of 1421134259 in words is "one billion, four hundred twenty-one million, one hundred thirty-four thousand, two hundred fifty-nine".