3114721 has 4 divisors (see below), whose sum is σ = 3165844. Its totient is φ = 3063600.

The previous prime is 3114719. The next prime is 3114731. The reversal of 3114721 is 1274113.

3114721 is nontrivially palindromic in base 12.

It is the 721-st star number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 3045025 = 264^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 3114721 - 2¹ = 3114719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3114701) 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, 25470 + ... + 25591.

It is an arithmetic number, because the mean of its divisors is an integer number (791461).

Almost surely, 2^3114721 is an apocalyptic number.

It is an amenable number.

3114721 is a deficient number, since it is larger than the sum of its proper divisors (51123).

3114721 is an equidigital number, since it uses as much as digits as its factorization.

3114721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51122.

The product of its digits is 168, while the sum is 19.

The square root of 3114721 is about 1764.8572180208. The cubic root of 3114721 is about 146.0404122821.

Adding to 3114721 its reverse (1274113), we get a palindrome (4388834).

The spelling of 3114721 in words is "three million, one hundred fourteen thousand, seven hundred twenty-one".