702120997 has 2 divisors, whose sum is σ = 702120998. Its totient is φ = 702120996.

The previous prime is 702120971. The next prime is 702121009. The reversal of 702120997 is 799021207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367450561 + 334670436 = 19169^2 + 18294^2 .

It is an emirp because it is prime and its reverse (799021207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 702120997 - 2⁷ = 702120869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (702120967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351060498 + 351060499.

It is an arithmetic number, because the mean of its divisors is an integer number (351060499).

Almost surely, 2^702120997 is an apocalyptic number.

It is an amenable number.

702120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

702120997 is an equidigital number, since it uses as much as digits as its factorization.

702120997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 702120997 is about 26497.5658693398. The cubic root of 702120997 is about 888.7998792892.

The spelling of 702120997 in words is "seven hundred two million, one hundred twenty thousand, nine hundred ninety-seven".