7281101 has 4 divisors (see below), whose sum is σ = 7302432. Its totient is φ = 7259772.

The previous prime is 7281097. The next prime is 7281103. The reversal of 7281101 is 1011827.

7281101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7281101 - 2² = 7281097 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 (7281103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10145 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (1825608).

Almost surely, 2^7281101 is an apocalyptic number.

It is an amenable number.

7281101 is a deficient number, since it is larger than the sum of its proper divisors (21331).

7281101 is a wasteful number, since it uses less digits than its factorization.

7281101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21330.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 7281101 is about 2698.3515338073. The cubic root of 7281101 is about 193.8201915642.

Adding to 7281101 its reverse (1011827), we get a palindrome (8292928).

The spelling of 7281101 in words is "seven million, two hundred eighty-one thousand, one hundred one".