797441121 has 9 divisors (see below), whose sum is σ = 1151981779. Its totient is φ = 531570936.

The previous prime is 797441081. The next prime is 797441137. The reversal of 797441121 is 121144797.

The square root of 797441121 is 28239.

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

797441121 is a `hidden beast` number, since 7 + 97 + 441 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 796086225 + 1354896 = 28215^2 + 1164^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 797441121 - 2¹¹ = 797439073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797441521) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80011 + ... + 89423.

Almost surely, 2^797441121 is an apocalyptic number.

797441121 is the 28239-th square number.

797441121 is the 14120-th centered octagonal number.

It is an amenable number.

797441121 is a deficient number, since it is larger than the sum of its proper divisors (354540658).

797441121 is an frugal number, since it uses more digits than its factorization.

797441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18832 (or 9416 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The cubic root of 797441121 is about 927.3269375327.

Multiplying 797441121 by its sum of digits (36), we get a square (28707880356 = 169434²).

The spelling of 797441121 in words is "seven hundred ninety-seven million, four hundred forty-one thousand, one hundred twenty-one".