384250237121 has 2 divisors, whose sum is σ = 384250237122. Its totient is φ = 384250237120.

The previous prime is 384250237117. The next prime is 384250237153. The reversal of 384250237121 is 121732052483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384041723521 + 208513600 = 619711^2 + 14440^2 .

It is a cyclic number.

It is not a de Polignac number, because 384250237121 - 2² = 384250237117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (384250237421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192125118560 + 192125118561.

It is an arithmetic number, because the mean of its divisors is an integer number (192125118561).

Almost surely, 2^384250237121 is an apocalyptic number.

It is an amenable number.

384250237121 is a deficient number, since it is larger than the sum of its proper divisors (1).

384250237121 is an equidigital number, since it uses as much as digits as its factorization.

384250237121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 384250237121 in words is "three hundred eighty-four billion, two hundred fifty million, two hundred thirty-seven thousand, one hundred twenty-one".