1194979108801 has 9 divisors (see below), whose sum is σ = 1269426614691. Its totient is φ = 1124668729632.

The previous prime is 1194979108777. The next prime is 1194979108811. The reversal of 1194979108801 is 1088019794911.

It is a happy number.

The square root of 1194979108801 is 1093151.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 930347057025 + 264632051776 = 964545^2 + 514424^2 .

It is not a de Polignac number, because 1194979108801 - 2⁵ = 1194979108769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1194979108811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18551416 + ... + 18615718.

Almost surely, 2^{1194979108801} is an apocalyptic number.

1194979108801 is the 1093151-st square number.

1194979108801 is the 546576-th centered octagonal number.

It is an amenable number.

1194979108801 is a deficient number, since it is larger than the sum of its proper divisors (74447505890).

1194979108801 is an frugal number, since it uses more digits than its factorization.

1194979108801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128640 (or 64320 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 58.

The spelling of 1194979108801 in words is "one trillion, one hundred ninety-four billion, nine hundred seventy-nine million, one hundred eight thousand, eight hundred one".