1442130979 has 2 divisors, whose sum is σ = 1442130980. Its totient is φ = 1442130978.

The previous prime is 1442130883. The next prime is 1442130997. The reversal of 1442130979 is 9790312441.

Together with next prime (1442130997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442130979 - 2¹¹ = 1442128931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442130779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721065489 + 721065490.

It is an arithmetic number, because the mean of its divisors is an integer number (721065490).

Almost surely, 2^1442130979 is an apocalyptic number.

1442130979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442130979 is an equidigital number, since it uses as much as digits as its factorization.

1442130979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1442130979 is about 37975.3996555665. The cubic root of 1442130979 is about 1129.7999956671.

The spelling of 1442130979 in words is "one billion, four hundred forty-two million, one hundred thirty thousand, nine hundred seventy-nine".