790459121 has 2 divisors, whose sum is σ = 790459122. Its totient is φ = 790459120.

The previous prime is 790459097. The next prime is 790459123. The reversal of 790459121 is 121954097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717168400 + 73290721 = 26780^2 + 8561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-790459121 is a prime.

It is a Sophie Germain prime.

Together with 790459123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (790459123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395229560 + 395229561.

It is an arithmetic number, because the mean of its divisors is an integer number (395229561).

Almost surely, 2^790459121 is an apocalyptic number.

It is an amenable number.

790459121 is a deficient number, since it is larger than the sum of its proper divisors (1).

790459121 is an equidigital number, since it uses as much as digits as its factorization.

790459121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 790459121 is about 28115.1048548640. The cubic root of 790459121 is about 924.6125949174.

The spelling of 790459121 in words is "seven hundred ninety million, four hundred fifty-nine thousand, one hundred twenty-one".