120556489793 has 2 divisors, whose sum is σ = 120556489794. Its totient is φ = 120556489792.

The previous prime is 120556489751. The next prime is 120556489819. The reversal of 120556489793 is 397984655021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116804682289 + 3751807504 = 341767^2 + 61252^2 .

It is an emirp because it is prime and its reverse (397984655021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120556489793 - 2¹² = 120556485697 is a prime.

It is not a weakly prime, because it can be changed into another prime (120556482793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60278244896 + 60278244897.

It is an arithmetic number, because the mean of its divisors is an integer number (60278244897).

It is a 1-persistent number, because it is pandigital, but 2⋅120556489793 = 241112979586 is not.

Almost surely, 2^120556489793 is an apocalyptic number.

It is an amenable number.

120556489793 is a deficient number, since it is larger than the sum of its proper divisors (1).

120556489793 is an equidigital number, since it uses as much as digits as its factorization.

120556489793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 120556489793 in words is "one hundred twenty billion, five hundred fifty-six million, four hundred eighty-nine thousand, seven hundred ninety-three".