1178338242 has 8 divisors (see below), whose sum is σ = 2356676496. Its totient is φ = 392779412.

The previous prime is 1178338207. The next prime is 1178338243. The reversal of 1178338242 is 2428338711.

It is a sphenic number, since it is the product of 3 distinct primes.

1178338242 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1178338242.

It is not an unprimeable number, because it can be changed into a prime (1178338243) 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, 98194848 + ... + 98194859.

It is an arithmetic number, because the mean of its divisors is an integer number (294584562).

Almost surely, 2^1178338242 is an apocalyptic number.

1178338242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1178338242 is a wasteful number, since it uses less digits than its factorization.

1178338242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196389712.

The product of its digits is 64512, while the sum is 39.

The square root of 1178338242 is about 34326.9317300571. The cubic root of 1178338242 is about 1056.2255225260.

The spelling of 1178338242 in words is "one billion, one hundred seventy-eight million, three hundred thirty-eight thousand, two hundred forty-two".