1132001000 has 128 divisors (see below), whose sum is σ = 3003436800. Its totient is φ = 395884800.

The previous prime is 1132000957. The next prime is 1132001009. The reversal of 1132001000 is 1002311.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1132001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244709 + ... + 249291.

It is an arithmetic number, because the mean of its divisors is an integer number (23464350).

Almost surely, 2^1132001000 is an apocalyptic number.

1132001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501718400).

1132001000 is an abundant number, since it is smaller than the sum of its proper divisors (1871435800).

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

1132001000 is a wasteful number, since it uses less digits than its factorization.

1132001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1132001000 is about 33645.2225434756. Note that the first 3 decimals coincide. The cubic root of 1132001000 is about 1042.1948837464.

Adding to 1132001000 its reverse (1002311), we get a palindrome (1133003311).

The spelling of 1132001000 in words is "one billion, one hundred thirty-two million, one thousand".