1194868427 has 4 divisors (see below), whose sum is σ = 1214456496. Its totient is φ = 1175280360.

The previous prime is 1194868421. The next prime is 1194868429. The reversal of 1194868427 is 7248684911.

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

It is a cyclic number.

It is not a de Polignac number, because 1194868427 - 2¹⁰ = 1194867403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1194868421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9793943 + ... + 9794064.

It is an arithmetic number, because the mean of its divisors is an integer number (303614124).

Almost surely, 2^1194868427 is an apocalyptic number.

1194868427 is a deficient number, since it is larger than the sum of its proper divisors (19588069).

1194868427 is an equidigital number, since it uses as much as digits as its factorization.

1194868427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19588068.

The product of its digits is 774144, while the sum is 50.

The square root of 1194868427 is about 34566.8689209769. The cubic root of 1194868427 is about 1061.1416520699.

The spelling of 1194868427 in words is "one billion, one hundred ninety-four million, eight hundred sixty-eight thousand, four hundred twenty-seven".