120040620547 has 16 divisors (see below), whose sum is σ = 125130358080. Its totient is φ = 115015824000.

The previous prime is 120040620521. The next prime is 120040620559. The reversal of 120040620547 is 745026040021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120040620547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120040620517) 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 15 ways as a sum of consecutive naturals, for example, 4422397 + ... + 4449457.

It is an arithmetic number, because the mean of its divisors is an integer number (7820647380).

Almost surely, 2^120040620547 is an apocalyptic number.

120040620547 is a deficient number, since it is larger than the sum of its proper divisors (5089737533).

120040620547 is a wasteful number, since it uses less digits than its factorization.

120040620547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28254.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 120040620547 its reverse (745026040021), we get a palindrome (865066660568).

The spelling of 120040620547 in words is "one hundred twenty billion, forty million, six hundred twenty thousand, five hundred forty-seven".