7014120721 has 2 divisors, whose sum is σ = 7014120722. Its totient is φ = 7014120720.

The previous prime is 7014120713. The next prime is 7014120749. The reversal of 7014120721 is 1270214107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4697046225 + 2317074496 = 68535^2 + 48136^2 .

It is a cyclic number.

It is not a de Polignac number, because 7014120721 - 2³ = 7014120713 is a prime.

It is not a weakly prime, because it can be changed into another prime (7014120761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3507060360 + 3507060361.

It is an arithmetic number, because the mean of its divisors is an integer number (3507060361).

Almost surely, 2^7014120721 is an apocalyptic number.

It is an amenable number.

7014120721 is a deficient number, since it is larger than the sum of its proper divisors (1).

7014120721 is an equidigital number, since it uses as much as digits as its factorization.

7014120721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 7014120721 is about 83750.3475873384. The cubic root of 7014120721 is about 1914.2166029911.

Adding to 7014120721 its reverse (1270214107), we get a palindrome (8284334828).

The spelling of 7014120721 in words is "seven billion, fourteen million, one hundred twenty thousand, seven hundred twenty-one".