120972491722 has 16 divisors (see below), whose sum is σ = 184774483944. Its totient is φ = 59384664000.

The previous prime is 120972491707. The next prime is 120972491747. The reversal of 120972491722 is 227194279021.

It is a Cunningham number, because it is equal to 347811²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 69869820241 + 51102671481 = 264329^2 + 226059^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 850429 + ... + 982432.

Almost surely, 2^120972491722 is an apocalyptic number.

120972491722 is a deficient number, since it is larger than the sum of its proper divisors (63801992222).

120972491722 is a wasteful number, since it uses less digits than its factorization.

120972491722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833465.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 120972491722 in words is "one hundred twenty billion, nine hundred seventy-two million, four hundred ninety-one thousand, seven hundred twenty-two".