797155121 has 8 divisors (see below), whose sum is σ = 935657280. Its totient is φ = 664808688.

The previous prime is 797155081. The next prime is 797155133. The reversal of 797155121 is 121551797.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 797155121 - 2⁶ = 797155057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (797155141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538651 + ... + 1539168.

It is an arithmetic number, because the mean of its divisors is an integer number (116957160).

Almost surely, 2^797155121 is an apocalyptic number.

It is an amenable number.

797155121 is a deficient number, since it is larger than the sum of its proper divisors (138502159).

797155121 is a wasteful number, since it uses less digits than its factorization.

797155121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077863.

The product of its digits is 22050, while the sum is 38.

The square root of 797155121 is about 28233.9356271845. The cubic root of 797155121 is about 927.2160632166.

The spelling of 797155121 in words is "seven hundred ninety-seven million, one hundred fifty-five thousand, one hundred twenty-one".