120400104403 has 8 divisors (see below), whose sum is σ = 123698115072. Its totient is φ = 117132773256.

The previous prime is 120400104397. The next prime is 120400104439. The reversal of 120400104403 is 304401004021.

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

It is a cyclic number.

It is not a de Polignac number, because 120400104403 - 2⁹ = 120400103891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120400104493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7661925 + ... + 7677622.

It is an arithmetic number, because the mean of its divisors is an integer number (15462264384).

Almost surely, 2^120400104403 is an apocalyptic number.

120400104403 is a deficient number, since it is larger than the sum of its proper divisors (3298010669).

120400104403 is a wasteful number, since it uses less digits than its factorization.

120400104403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15339761.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 120400104403 its reverse (304401004021), we get a palindrome (424801108424).

The spelling of 120400104403 in words is "one hundred twenty billion, four hundred million, one hundred four thousand, four hundred three".