120125503 has 4 divisors (see below), whose sum is σ = 120269520. Its totient is φ = 119981488.

The previous prime is 120125497. The next prime is 120125557. The reversal of 120125503 is 305521021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120125503 - 2⁵ = 120125471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120125563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70750 + ... + 72427.

It is an arithmetic number, because the mean of its divisors is an integer number (30067380).

Almost surely, 2^120125503 is an apocalyptic number.

120125503 is a deficient number, since it is larger than the sum of its proper divisors (144017).

120125503 is an equidigital number, since it uses as much as digits as its factorization.

120125503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144016.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 120125503 is about 10960.1780551230. The cubic root of 120125503 is about 493.4143088511.

Adding to 120125503 its reverse (305521021), we get a palindrome (425646524).

The spelling of 120125503 in words is "one hundred twenty million, one hundred twenty-five thousand, five hundred three".