1197194255407 has 2 divisors, whose sum is σ = 1197194255408. Its totient is φ = 1197194255406.

The previous prime is 1197194255401. The next prime is 1197194255437. The reversal of 1197194255407 is 7045524917911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197194255407 is a prime.

It is a super-2 number, since 2×1197194255407² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197194255401) 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, 598597127703 + 598597127704.

It is an arithmetic number, because the mean of its divisors is an integer number (598597127704).

Almost surely, 2^{1197194255407} is an apocalyptic number.

1197194255407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197194255407 is an equidigital number, since it uses as much as digits as its factorization.

1197194255407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 1197194255407 in words is "one trillion, one hundred ninety-seven billion, one hundred ninety-four million, two hundred fifty-five thousand, four hundred seven".