1421012339 has 2 divisors, whose sum is σ = 1421012340. Its totient is φ = 1421012338.

The previous prime is 1421012311. The next prime is 1421012347. The reversal of 1421012339 is 9332101241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421012339 - 2¹² = 1421008243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421012239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710506169 + 710506170.

It is an arithmetic number, because the mean of its divisors is an integer number (710506170).

Almost surely, 2^1421012339 is an apocalyptic number.

1421012339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421012339 is an equidigital number, since it uses as much as digits as its factorization.

1421012339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1421012339 is about 37696.3173134989. The cubic root of 1421012339 is about 1124.2579044020.

The spelling of 1421012339 in words is "one billion, four hundred twenty-one million, twelve thousand, three hundred thirty-nine".