7101001 has 2 divisors, whose sum is σ = 7101002.
Its totient is φ = 7101000.
The previous prime is 7100999. The next prime is 7101037. The reversal of 7101001 is 1001017.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6996025 + 104976 = 2645^2 + 324^2
It is an emirp because it is prime and its reverse (1001017) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7101001 - 21 = 7100999 is a prime.
Together with 7100999, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (7101091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3550500 + 3550501.
It is an arithmetic number, because the mean of its divisors is an integer number (3550501).
Almost surely, 27101001 is an apocalyptic number.
It is an amenable number.
7101001 is a deficient number, since it is larger than the sum of its proper divisors (1).
7101001 is an equidigital number, since it uses as much as digits as its factorization.
7101001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7, while the sum is 10.
The square root of 7101001 is about 2664.7703465777.
The cubic root of 7101001 is about 192.2087663382.
Adding to 7101001 its reverse (1001017), we get a palindrome (8102018).
It can be divided in two parts, 710 and 1001, that added together give a triangular number (1711 = T58).
The spelling of 7101001 in words is "seven million, one hundred one thousand, one".