120430403 has 4 divisors (see below), whose sum is σ = 122992800. Its totient is φ = 117868008.

The previous prime is 120430391. The next prime is 120430411. The reversal of 120430403 is 304034021.

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 120430403 - 2⁶ = 120430339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120430433) 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, 1281128 + ... + 1281221.

It is an arithmetic number, because the mean of its divisors is an integer number (30748200).

Almost surely, 2^120430403 is an apocalyptic number.

120430403 is a deficient number, since it is larger than the sum of its proper divisors (2562397).

120430403 is an equidigital number, since it uses as much as digits as its factorization.

120430403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562396.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 120430403 is about 10974.0786857030. The cubic root of 120430403 is about 493.8314140599.

Adding to 120430403 its reverse (304034021), we get a palindrome (424464424).

The spelling of 120430403 in words is "one hundred twenty million, four hundred thirty thousand, four hundred three".