7122754984801 has 3 divisors (see below), whose sum is σ = 7122757653651. Its totient is φ = 7122752315952.

The previous prime is 7122754984771. The next prime is 7122754984921. The reversal of 7122754984801 is 1084894572217.

The square root of 7122754984801 is 2668849.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6824638984801 + 298116000000 = 2612401^2 + 546000^2 .

It is not a de Polignac number, because 7122754984801 - 2⁵ = 7122754984769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7122754988801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1334425 + ... + 4003273.

It is an arithmetic number, because the mean of its divisors is an integer number (2374252551217).

Almost surely, 2^{7122754984801} is an apocalyptic number.

7122754984801 is the 2668849-th square number.

7122754984801 is the 1334425-th centered octagonal number.

It is an amenable number.

7122754984801 is a deficient number, since it is larger than the sum of its proper divisors (2668850).

7122754984801 is an frugal number, since it uses more digits than its factorization.

7122754984801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337698 (or 2668849 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 7122754984801 in words is "seven trillion, one hundred twenty-two billion, seven hundred fifty-four million, nine hundred eighty-four thousand, eight hundred one".