1342029979 has 2 divisors, whose sum is σ = 1342029980. Its totient is φ = 1342029978.

The previous prime is 1342029977. The next prime is 1342030007. The reversal of 1342029979 is 9799202431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342029979 - 2¹ = 1342029977 is a prime.

Together with 1342029977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1342029977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671014989 + 671014990.

It is an arithmetic number, because the mean of its divisors is an integer number (671014990).

Almost surely, 2^1342029979 is an apocalyptic number.

1342029979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342029979 is an equidigital number, since it uses as much as digits as its factorization.

1342029979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1342029979 is about 36633.7273424368. The cubic root of 1342029979 is about 1103.0302066319.

The spelling of 1342029979 in words is "one billion, three hundred forty-two million, twenty-nine thousand, nine hundred seventy-nine".