1178342485 has 16 divisors (see below), whose sum is σ = 1425107520. Its totient is φ = 935297280.

The previous prime is 1178342453. The next prime is 1178342491. The reversal of 1178342485 is 5842438711.

It is not a de Polignac number, because 1178342485 - 2⁵ = 1178342453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790621 + ... + 792109.

It is an arithmetic number, because the mean of its divisors is an integer number (89069220).

Almost surely, 2^1178342485 is an apocalyptic number.

It is an amenable number.

1178342485 is a deficient number, since it is larger than the sum of its proper divisors (246765035).

1178342485 is a wasteful number, since it uses less digits than its factorization.

1178342485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 215040, while the sum is 43.

The square root of 1178342485 is about 34326.9935327870. The cubic root of 1178342485 is about 1056.2267902886.

The spelling of 1178342485 in words is "one billion, one hundred seventy-eight million, three hundred forty-two thousand, four hundred eighty-five".