389122001 has 2 divisors, whose sum is σ = 389122002. Its totient is φ = 389122000.

The previous prime is 389121991. The next prime is 389122009. The reversal of 389122001 is 100221983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282206401 + 106915600 = 16799^2 + 10340^2 .

It is an emirp because it is prime and its reverse (100221983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389122001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (389122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194561000 + 194561001.

It is an arithmetic number, because the mean of its divisors is an integer number (194561001).

Almost surely, 2^389122001 is an apocalyptic number.

It is an amenable number.

389122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

389122001 is an equidigital number, since it uses as much as digits as its factorization.

389122001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 389122001 is about 19726.1755289767. The cubic root of 389122001 is about 730.0656730808.

Adding to 389122001 its reverse (100221983), we get a palindrome (489343984).

The spelling of 389122001 in words is "three hundred eighty-nine million, one hundred twenty-two thousand, one".