120424425232505 has 8 divisors (see below), whose sum is σ = 144509910068232. Its totient is φ = 96339140326528.

The previous prime is 120424425232459. The next prime is 120424425232513. The reversal of 120424425232505 is 505232524424021.

It can be written as a sum of positive squares in 4 ways, for example, as 1719014521 + 120422706217984 = 41461^2 + 10973728^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120424425232505 - 2¹² = 120424425228409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48654092 + ... + 51069261.

It is an arithmetic number, because the mean of its divisors is an integer number (18063738758529).

Almost surely, 2^{120424425232505} is an apocalyptic number.

It is an amenable number.

120424425232505 is a deficient number, since it is larger than the sum of its proper divisors (24085484835727).

120424425232505 is an equidigital number, since it uses as much as digits as its factorization.

120424425232505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99964875.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 120424425232505 its reverse (505232524424021), we get a palindrome (625656949656526).

The spelling of 120424425232505 in words is "one hundred twenty trillion, four hundred twenty-four billion, four hundred twenty-five million, two hundred thirty-two thousand, five hundred five".