1178461268 has 24 divisors (see below), whose sum is σ = 2155181952. Its totient is φ = 563278464.

The previous prime is 1178461253. The next prime is 1178461309. The reversal of 1178461268 is 8621648711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64805 + ... + 80972.

It is an arithmetic number, because the mean of its divisors is an integer number (89799248).

Almost surely, 2^1178461268 is an apocalyptic number.

It is an amenable number.

1178461268 is a deficient number, since it is larger than the sum of its proper divisors (976720684).

1178461268 is a wasteful number, since it uses less digits than its factorization.

1178461268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145871 (or 145869 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 1178461268 is about 34328.7236581846. The cubic root of 1178461268 is about 1056.2622801322.

The spelling of 1178461268 in words is "one billion, one hundred seventy-eight million, four hundred sixty-one thousand, two hundred sixty-eight".