120004551 has 32 divisors (see below), whose sum is σ = 188160000. Its totient is φ = 75380544.

The previous prime is 120004541. The next prime is 120004567. The reversal of 120004551 is 155400021.

It is not a de Polignac number, because 120004551 - 2⁶ = 120004487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120004541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113875 + ... + 114923.

It is an arithmetic number, because the mean of its divisors is an integer number (5880000).

Almost surely, 2^120004551 is an apocalyptic number.

120004551 is a deficient number, since it is larger than the sum of its proper divisors (68155449).

120004551 is a wasteful number, since it uses less digits than its factorization.

120004551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 120004551 is about 10954.6588719138. The cubic root of 120004551 is about 493.2486501935.

Adding to 120004551 its reverse (155400021), we get a palindrome (275404572).

The spelling of 120004551 in words is "one hundred twenty million, four thousand, five hundred fifty-one".