120132132721 has 2 divisors, whose sum is σ = 120132132722. Its totient is φ = 120132132720.

The previous prime is 120132132709. The next prime is 120132132739. The reversal of 120132132721 is 127231231021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85345779600 + 34786353121 = 292140^2 + 186511^2 .

It is a cyclic number.

It is not a de Polignac number, because 120132132721 - 2¹⁵ = 120132099953 is a prime.

It is not a weakly prime, because it can be changed into another prime (120132132781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60066066360 + 60066066361.

It is an arithmetic number, because the mean of its divisors is an integer number (60066066361).

Almost surely, 2^120132132721 is an apocalyptic number.

It is an amenable number.

120132132721 is a deficient number, since it is larger than the sum of its proper divisors (1).

120132132721 is an equidigital number, since it uses as much as digits as its factorization.

120132132721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 120132132721 its reverse (127231231021), we get a palindrome (247363363742).

The spelling of 120132132721 in words is "one hundred twenty billion, one hundred thirty-two million, one hundred thirty-two thousand, seven hundred twenty-one".