1178885452 has 12 divisors (see below), whose sum is σ = 2063446336. Its totient is φ = 589329360.

The previous prime is 1178885371. The next prime is 1178885483. The reversal of 1178885452 is 2545888711.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1178885396 and 1178885405.

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 3 ways as a sum of consecutive naturals, for example, 2283 + ... + 48610.

Almost surely, 2^1178885452 is an apocalyptic number.

It is an amenable number.

1178885452 is a deficient number, since it is larger than the sum of its proper divisors (884560884).

1178885452 is a wasteful number, since it uses less digits than its factorization.

1178885452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56688 (or 56686 counting only the distinct ones).

The product of its digits is 716800, while the sum is 49.

The square root of 1178885452 is about 34334.9013687239. The cubic root of 1178885452 is about 1056.3889978626.

The spelling of 1178885452 in words is "one billion, one hundred seventy-eight million, eight hundred eighty-five thousand, four hundred fifty-two".