1178340122790 has 64 divisors (see below), whose sum is σ = 3327078006720. Its totient is φ = 295740264960.

The previous prime is 1178340122759. The next prime is 1178340122809. The reversal of 1178340122790 is 972210438711.

1178340122790 is a `hidden beast` number, since 1 + 17 + 8 + 3 + 401 + 227 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 128354901 + ... + 128364080.

It is an arithmetic number, because the mean of its divisors is an integer number (51985593855).

Almost surely, 2^{1178340122790} is an apocalyptic number.

1178340122790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1178340122790 is an abundant number, since it is smaller than the sum of its proper divisors (2148737883930).

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

1178340122790 is a wasteful number, since it uses less digits than its factorization.

1178340122790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256719014 (or 256719008 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 1178340122790 in words is "one trillion, one hundred seventy-eight billion, three hundred forty million, one hundred twenty-two thousand, seven hundred ninety".