1195210868049 has 99 divisors (see below), whose sum is σ = 1975435027419. Its totient is φ = 722599146720.

The previous prime is 1195210868011. The next prime is 1195210868051. The reversal of 1195210868049 is 9408680125911.

The square root of 1195210868049 is 1093257.

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

1195210868049 is a `hidden beast` number, since 1 + 19 + 521 + 0 + 8 + 68 + 0 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1092323890449 + 102886977600 = 1045143^2 + 320760^2 .

It is a tau number, because it is divible by the number of its divisors (99).

It is not a de Polignac number, because 1195210868049 - 2¹¹ = 1195210866001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1195210867986 and 1195210868004.

It is not an unprimeable number, because it can be changed into a prime (1195210868749) by changing a digit.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 2922275757 + ... + 2922276165.

Almost surely, 2^{1195210868049} is an apocalyptic number.

1195210868049 is the 1093257-th square number.

1195210868049 is the 546629-th centered octagonal number.

It is an amenable number.

1195210868049 is a deficient number, since it is larger than the sum of its proper divisors (780224159370).

1195210868049 is an frugal number, since it uses more digits than its factorization.

1195210868049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 1195210868049 in words is "one trillion, one hundred ninety-five billion, two hundred ten million, eight hundred sixty-eight thousand, forty-nine".