120504321 has 32 divisors (see below), whose sum is σ = 204844800. Its totient is φ = 68584320.

The previous prime is 120504299. The next prime is 120504359. The reversal of 120504321 is 123405021.

It is not a de Polignac number, because 120504321 - 2⁹ = 120503809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120504294 and 120504303.

It is not an unprimeable number, because it can be changed into a prime (120504121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51975 + ... + 54243.

It is an arithmetic number, because the mean of its divisors is an integer number (6401400).

It is a Proth number, since it is equal to 7355 ⋅ 2¹⁴ + 1 and 7355 < 2¹⁴.

Almost surely, 2^120504321 is an apocalyptic number.

It is an amenable number.

120504321 is a deficient number, since it is larger than the sum of its proper divisors (84340479).

120504321 is a wasteful number, since it uses less digits than its factorization.

120504321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120504321 is about 10977.4460144425. The cubic root of 120504321 is about 493.9324283215.

Adding to 120504321 its reverse (123405021), we get a palindrome (243909342).

The spelling of 120504321 in words is "one hundred twenty million, five hundred four thousand, three hundred twenty-one".