7270260121 has 2 divisors, whose sum is σ = 7270260122. Its totient is φ = 7270260120.

The previous prime is 7270260119. The next prime is 7270260163. The reversal of 7270260121 is 1210620727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5935161600 + 1335098521 = 77040^2 + 36539^2 .

It is a cyclic number.

It is not a de Polignac number, because 7270260121 - 2¹ = 7270260119 is a prime.

Together with 7270260119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7270260121.

It is not a weakly prime, because it can be changed into another prime (7270260181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3635130060 + 3635130061.

It is an arithmetic number, because the mean of its divisors is an integer number (3635130061).

Almost surely, 2^7270260121 is an apocalyptic number.

It is an amenable number.

7270260121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7270260121 is an equidigital number, since it uses as much as digits as its factorization.

7270260121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 7270260121 is about 85265.8203561075. The cubic root of 7270260121 is about 1937.2395039915.

Adding to 7270260121 its reverse (1210620727), we get a palindrome (8480880848).

The spelling of 7270260121 in words is "seven billion, two hundred seventy million, two hundred sixty thousand, one hundred twenty-one".