120026403 has 12 divisors (see below), whose sum is σ = 198138928. Its totient is φ = 68586480.

The previous prime is 120026377. The next prime is 120026419. The reversal of 120026403 is 304620021.

It is a happy number.

120026403 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 640 + 3 = 666.

It is not a de Polignac number, because 120026403 - 2¹² = 120022307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120026603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952528 + ... + 952653.

Almost surely, 2^120026403 is an apocalyptic number.

120026403 is a deficient number, since it is larger than the sum of its proper divisors (78112525).

120026403 is a wasteful number, since it uses less digits than its factorization.

120026403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905194 (or 1905191 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120026403 is about 10955.6562103783. The cubic root of 120026403 is about 493.2785874340.

Adding to 120026403 its reverse (304620021), we get a palindrome (424646424).

The spelling of 120026403 in words is "one hundred twenty million, twenty-six thousand, four hundred three".