120002502403 has 4 divisors (see below), whose sum is σ = 137145717040. Its totient is φ = 102859287768.

The previous prime is 120002502391. The next prime is 120002502463. The reversal of 120002502403 is 304205200021.

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 120002502403 - 2⁹ = 120002501891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120002502463) 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, 8571607308 + ... + 8571607321.

It is an arithmetic number, because the mean of its divisors is an integer number (34286429260).

Almost surely, 2^120002502403 is an apocalyptic number.

120002502403 is a deficient number, since it is larger than the sum of its proper divisors (17143214637).

120002502403 is an equidigital number, since it uses as much as digits as its factorization.

120002502403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143214636.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 120002502403 its reverse (304205200021), we get a palindrome (424207702424).

It can be divided in two parts, 12000 and 2502403, that added together give a triangular number (2514403 = T₂₂₄₂).

The spelling of 120002502403 in words is "one hundred twenty billion, two million, five hundred two thousand, four hundred three".