120400104439 has 2 divisors, whose sum is σ = 120400104440. Its totient is φ = 120400104438.

The previous prime is 120400104397. The next prime is 120400104491. The reversal of 120400104439 is 934401004021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120400104439 - 2⁷ = 120400104311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120400144439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60200052219 + 60200052220.

It is an arithmetic number, because the mean of its divisors is an integer number (60200052220).

Almost surely, 2^120400104439 is an apocalyptic number.

120400104439 is a deficient number, since it is larger than the sum of its proper divisors (1).

120400104439 is an equidigital number, since it uses as much as digits as its factorization.

120400104439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 120400104439 in words is "one hundred twenty billion, four hundred million, one hundred four thousand, four hundred thirty-nine".