120506374517 has 4 divisors (see below), whose sum is σ = 123763303596. Its totient is φ = 117249445440.

The previous prime is 120506374507. The next prime is 120506374523. The reversal of 120506374517 is 715473605021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61481186116 + 59025188401 = 247954^2 + 242951^2 .

It is a cyclic number.

It is not a de Polignac number, because 120506374517 - 2¹² = 120506370421 is a prime.

It is a super-3 number, since 3×120506374517³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120506374507) 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, 1628464484 + ... + 1628464557.

It is an arithmetic number, because the mean of its divisors is an integer number (30940825899).

Almost surely, 2^120506374517 is an apocalyptic number.

It is an amenable number.

120506374517 is a deficient number, since it is larger than the sum of its proper divisors (3256929079).

120506374517 is an equidigital number, since it uses as much as digits as its factorization.

120506374517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256929078.

The product of its (nonzero) digits is 176400, while the sum is 41.

Adding to 120506374517 its reverse (715473605021), we get a palindrome (835979979538).

The spelling of 120506374517 in words is "one hundred twenty billion, five hundred six million, three hundred seventy-four thousand, five hundred seventeen".