1190207920997 has 2 divisors, whose sum is σ = 1190207920998. Its totient is φ = 1190207920996.

The previous prime is 1190207920981. The next prime is 1190207921051. The reversal of 1190207920997 is 7990297020911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954321887236 + 235886033761 = 976894^2 + 485681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1190207920997 - 2⁴ = 1190207920981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1190207929997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595103960498 + 595103960499.

It is an arithmetic number, because the mean of its divisors is an integer number (595103960499).

Almost surely, 2^{1190207920997} is an apocalyptic number.

It is an amenable number.

1190207920997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190207920997 is an equidigital number, since it uses as much as digits as its factorization.

1190207920997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1285956, while the sum is 56.

The spelling of 1190207920997 in words is "one trillion, one hundred ninety billion, two hundred seven million, nine hundred twenty thousand, nine hundred ninety-seven".