1194888132868 has 6 divisors (see below), whose sum is σ = 2091054232526. Its totient is φ = 597444066432.

The previous prime is 1194888132839. The next prime is 1194888132869. The reversal of 1194888132868 is 8682318884911.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1180399677444 + 14488455424 = 1086462^2 + 120368^2 .

It is not an unprimeable number, because it can be changed into a prime (1194888132869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149361016605 + ... + 149361016612.

Almost surely, 2^{1194888132868} is an apocalyptic number.

It is an amenable number.

1194888132868 is a deficient number, since it is larger than the sum of its proper divisors (896166099658).

1194888132868 is a wasteful number, since it uses less digits than its factorization.

1194888132868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298722033221 (or 298722033219 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 67.

The spelling of 1194888132868 in words is "one trillion, one hundred ninety-four billion, eight hundred eighty-eight million, one hundred thirty-two thousand, eight hundred sixty-eight".