120002403 has 8 divisors (see below), whose sum is σ = 160090816. Its totient is φ = 79957800.

The previous prime is 120002383. The next prime is 120002413. The reversal of 120002403 is 304200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120002403 - 2¹⁴ = 119986019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120002413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3913 + ... + 15978.

It is an arithmetic number, because the mean of its divisors is an integer number (20011352).

Almost surely, 2^120002403 is an apocalyptic number.

120002403 is a deficient number, since it is larger than the sum of its proper divisors (40088413).

120002403 is a wasteful number, since it uses less digits than its factorization.

120002403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21905.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120002403 is about 10954.5608309964. The cubic root of 120002403 is about 493.2457072372.

Adding to 120002403 its reverse (304200021), we get a palindrome (424202424).

The spelling of 120002403 in words is "one hundred twenty million, two thousand, four hundred three".