1153987852 has 12 divisors (see below), whose sum is σ = 2020034016. Its totient is φ = 576835280.

The previous prime is 1153987847. The next prime is 1153987859. The reversal of 1153987852 is 2587893511.

It is a junction number, because it is equal to n+sod(n) for n = 1153987796 and 1153987805.

It is not an unprimeable number, because it can be changed into a prime (1153987859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22468 + ... + 53035.

It is an arithmetic number, because the mean of its divisors is an integer number (168336168).

Almost surely, 2^1153987852 is an apocalyptic number.

It is an amenable number.

1153987852 is a deficient number, since it is larger than the sum of its proper divisors (866046164).

1153987852 is a wasteful number, since it uses less digits than its factorization.

1153987852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79328 (or 79326 counting only the distinct ones).

The product of its digits is 604800, while the sum is 49.

The square root of 1153987852 is about 33970.3967006569. The cubic root of 1153987852 is about 1048.8991794847.

The spelling of 1153987852 in words is "one billion, one hundred fifty-three million, nine hundred eighty-seven thousand, eight hundred fifty-two".