120622019779 has 2 divisors, whose sum is σ = 120622019780. Its totient is φ = 120622019778.

The previous prime is 120622019747. The next prime is 120622019831. The reversal of 120622019779 is 977910226021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (977910226021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120622019779 - 2⁵ = 120622019747 is a prime.

It is not a weakly prime, because it can be changed into another prime (120622019729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60311009889 + 60311009890.

It is an arithmetic number, because the mean of its divisors is an integer number (60311009890).

Almost surely, 2^120622019779 is an apocalyptic number.

120622019779 is a deficient number, since it is larger than the sum of its proper divisors (1).

120622019779 is an equidigital number, since it uses as much as digits as its factorization.

120622019779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 120622019779 in words is "one hundred twenty billion, six hundred twenty-two million, nineteen thousand, seven hundred seventy-nine".