120403120399 has 2 divisors, whose sum is σ = 120403120400. Its totient is φ = 120403120398.

The previous prime is 120403120391. The next prime is 120403120421. The reversal of 120403120399 is 993021304021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120403120399 - 2³ = 120403120391 is a prime.

It is a super-2 number, since 2×120403120399² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120403120391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60201560199 + 60201560200.

It is an arithmetic number, because the mean of its divisors is an integer number (60201560200).

Almost surely, 2^120403120399 is an apocalyptic number.

120403120399 is a deficient number, since it is larger than the sum of its proper divisors (1).

120403120399 is an equidigital number, since it uses as much as digits as its factorization.

120403120399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 120403120399 in words is "one hundred twenty billion, four hundred three million, one hundred twenty thousand, three hundred ninety-nine".