1202997825697 has 2 divisors, whose sum is σ = 1202997825698. Its totient is φ = 1202997825696.

The previous prime is 1202997825629. The next prime is 1202997825727. The reversal of 1202997825697 is 7965287992021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942988597776 + 260009227921 = 971076^2 + 509911^2 .

It is an emirp because it is prime and its reverse (7965287992021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202997825697 - 2¹⁹ = 1202997301409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202997820697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601498912848 + 601498912849.

It is an arithmetic number, because the mean of its divisors is an integer number (601498912849).

Almost surely, 2^{1202997825697} is an apocalyptic number.

It is an amenable number.

1202997825697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202997825697 is an equidigital number, since it uses as much as digits as its factorization.

1202997825697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 67.

The spelling of 1202997825697 in words is "one trillion, two hundred two billion, nine hundred ninety-seven million, eight hundred twenty-five thousand, six hundred ninety-seven".