1147242808 has 16 divisors (see below), whose sum is σ = 2151459000. Its totient is φ = 573520416.

The previous prime is 1147242793. The next prime is 1147242821. The reversal of 1147242808 is 8082427411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60723 + ... + 77341.

Almost surely, 2^1147242808 is an apocalyptic number.

It is an amenable number.

1147242808 is a deficient number, since it is larger than the sum of its proper divisors (1004216192).

1147242808 is a wasteful number, since it uses less digits than its factorization.

1147242808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25254 (or 25250 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 1147242808 is about 33870.9729414435. The cubic root of 1147242808 is about 1046.8515842069.

The spelling of 1147242808 in words is "one billion, one hundred forty-seven million, two hundred forty-two thousand, eight hundred eight".