120554003 has 4 divisors (see below), whose sum is σ = 120668688. Its totient is φ = 120439320.

The previous prime is 120553997. The next prime is 120554039. The reversal of 120554003 is 300455021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300455021 = 12277 ⋅24473.

It is a cyclic number.

It is not a de Polignac number, because 120554003 - 2¹⁴ = 120537619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120554303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55751 + ... + 57872.

It is an arithmetic number, because the mean of its divisors is an integer number (30167172).

Almost surely, 2^120554003 is an apocalyptic number.

120554003 is a deficient number, since it is larger than the sum of its proper divisors (114685).

120554003 is a wasteful number, since it uses less digits than its factorization.

120554003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114684.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 120554003 is about 10979.7086937678. The cubic root of 120554003 is about 494.0002991360. Note that the first 3 decimals are identical.

The spelling of 120554003 in words is "one hundred twenty million, five hundred fifty-four thousand, three".