120004120391 has 2 divisors, whose sum is σ = 120004120392. Its totient is φ = 120004120390.

The previous prime is 120004120337. The next prime is 120004120417. The reversal of 120004120391 is 193021400021.

It is a strong prime.

It is an emirp because it is prime and its reverse (193021400021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120004120391 - 2²⁶ = 119937011527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120004120331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60002060195 + 60002060196.

It is an arithmetic number, because the mean of its divisors is an integer number (60002060196).

Almost surely, 2^120004120391 is an apocalyptic number.

120004120391 is a deficient number, since it is larger than the sum of its proper divisors (1).

120004120391 is an equidigital number, since it uses as much as digits as its factorization.

120004120391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 120004120391 in words is "one hundred twenty billion, four million, one hundred twenty thousand, three hundred ninety-one".