120401110144403 has 16 divisors (see below), whose sum is σ = 131775937915776. Its totient is φ = 109097835517440.

The previous prime is 120401110144279. The next prime is 120401110144421. The reversal of 120401110144403 is 304441011104021.

It is a happy number.

It is not a de Polignac number, because 120401110144403 - 2¹⁶ = 120401110078867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120401110144493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506272400 + ... + 506510162.

It is an arithmetic number, because the mean of its divisors is an integer number (8235996119736).

Almost surely, 2^{120401110144403} is an apocalyptic number.

120401110144403 is a deficient number, since it is larger than the sum of its proper divisors (11374827771373).

120401110144403 is a wasteful number, since it uses less digits than its factorization.

120401110144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388034.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 120401110144403 its reverse (304441011104021), we get a palindrome (424842121248424).

The spelling of 120401110144403 in words is "one hundred twenty trillion, four hundred one billion, one hundred ten million, one hundred forty-four thousand, four hundred three".