120538954217 has 8 divisors (see below), whose sum is σ = 132660732960. Its totient is φ = 108611124160.

The previous prime is 120538954187. The next prime is 120538954229. The reversal of 120538954217 is 712459835021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120538954217 - 2²⁰ = 120537905641 is a prime.

It is a super-4 number, since 4×120538954217⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120538951217) by changing a digit.

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, 48485867 + ... + 48488352.

It is an arithmetic number, because the mean of its divisors is an integer number (16582591620).

Almost surely, 2^120538954217 is an apocalyptic number.

It is an amenable number.

120538954217 is a deficient number, since it is larger than the sum of its proper divisors (12121778743).

120538954217 is a wasteful number, since it uses less digits than its factorization.

120538954217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96974343.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 120538954217 in words is "one hundred twenty billion, five hundred thirty-eight million, nine hundred fifty-four thousand, two hundred seventeen".