1142123214979 has 2 divisors, whose sum is σ = 1142123214980. Its totient is φ = 1142123214978.

The previous prime is 1142123214961. The next prime is 1142123215063. The reversal of 1142123214979 is 9794123212411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142123214979 - 2¹⁹ = 1142122690691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142123214079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571061607489 + 571061607490.

It is an arithmetic number, because the mean of its divisors is an integer number (571061607490).

Almost surely, 2^{1142123214979} is an apocalyptic number.

1142123214979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142123214979 is an equidigital number, since it uses as much as digits as its factorization.

1142123214979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The spelling of 1142123214979 in words is "one trillion, one hundred forty-two billion, one hundred twenty-three million, two hundred fourteen thousand, nine hundred seventy-nine".