1147252806 has 24 divisors (see below), whose sum is σ = 2840816784. Its totient is φ = 327786480.

The previous prime is 1147252801. The next prime is 1147252829. The reversal of 1147252806 is 6082527411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147252801) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4552465 + ... + 4552716.

It is an arithmetic number, because the mean of its divisors is an integer number (118367366).

Almost surely, 2^1147252806 is an apocalyptic number.

1147252806 is an abundant number, since it is smaller than the sum of its proper divisors (1693563978).

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

1147252806 is a wasteful number, since it uses less digits than its factorization.

1147252806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105196 (or 9105193 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1147252806 is about 33871.1205306231. The cubic root of 1147252806 is about 1046.8546252347.

The spelling of 1147252806 in words is "one billion, one hundred forty-seven million, two hundred fifty-two thousand, eight hundred six".