120548505497 has 4 divisors (see below), whose sum is σ = 137769720576. Its totient is φ = 103327290420.

The previous prime is 120548505481. The next prime is 120548505499. The reversal of 120548505497 is 794505845021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 794505845021 = 7 ⋅113500835003.

It is a cyclic number.

It is not a de Polignac number, because 120548505497 - 2⁴ = 120548505481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120548505499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8610607529 + ... + 8610607542.

It is an arithmetic number, because the mean of its divisors is an integer number (34442430144).

Almost surely, 2^120548505497 is an apocalyptic number.

It is an amenable number.

120548505497 is a deficient number, since it is larger than the sum of its proper divisors (17221215079).

120548505497 is an equidigital number, since it uses as much as digits as its factorization.

120548505497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17221215078.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 120548505497 in words is "one hundred twenty billion, five hundred forty-eight million, five hundred five thousand, four hundred ninety-seven".