7101121 has 8 divisors (see below), whose sum is σ = 7576200. Its totient is φ = 6632448.

The previous prime is 7101097. The next prime is 7101137. The reversal of 7101121 is 1211017.

It can be written as a sum of positive squares in 4 ways, for example, as 876096 + 6225025 = 936^2 + 2495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7101121 - 2¹⁵ = 7068353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7101161) 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 in 7 ways as a sum of consecutive naturals, for example, 805 + ... + 3853.

It is an arithmetic number, because the mean of its divisors is an integer number (947025).

Almost surely, 2^7101121 is an apocalyptic number.

It is an amenable number.

7101121 is a deficient number, since it is larger than the sum of its proper divisors (475079).

7101121 is a wasteful number, since it uses less digits than its factorization.

7101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 7101121 is about 2664.7928624942. The cubic root of 7101121 is about 192.2098490457.

Adding to 7101121 its reverse (1211017), we get a palindrome (8312138).

The spelling of 7101121 in words is "seven million, one hundred one thousand, one hundred twenty-one".