1194888254943 has 4 divisors (see below), whose sum is σ = 1593184339928. Its totient is φ = 796592169960.

The previous prime is 1194888254939. The next prime is 1194888254951. The reversal of 1194888254943 is 3494528884911.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1194888254943 - 2² = 1194888254939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194888254983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199148042488 + ... + 199148042493.

It is an arithmetic number, because the mean of its divisors is an integer number (398296084982).

Almost surely, 2^{1194888254943} is an apocalyptic number.

1194888254943 is a deficient number, since it is larger than the sum of its proper divisors (398296084985).

1194888254943 is an equidigital number, since it uses as much as digits as its factorization.

1194888254943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398296084984.

The product of its digits is 79626240, while the sum is 66.

The spelling of 1194888254943 in words is "one trillion, one hundred ninety-four billion, eight hundred eighty-eight million, two hundred fifty-four thousand, nine hundred forty-three".