790121 has 2 divisors, whose sum is σ = 790122. Its totient is φ = 790120.

The previous prime is 790099. The next prime is 790169. The reversal of 790121 is 121097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 212521 = 760^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 790121 - 2⁶ = 790057 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 790093 and 790102.

It is not a weakly prime, because it can be changed into another prime (790171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395060 + 395061.

It is an arithmetic number, because the mean of its divisors is an integer number (395061).

2⁷⁹⁰¹²¹ is an apocalyptic number.

It is an amenable number.

790121 is a deficient number, since it is larger than the sum of its proper divisors (1).

790121 is an equidigital number, since it uses as much as digits as its factorization.

790121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 790121 is about 888.8875069434. The cubic root of 790121 is about 92.4480740946.

The spelling of 790121 in words is "seven hundred ninety thousand, one hundred twenty-one".