1002001132 has 48 divisors (see below), whose sum is σ = 1987421184. Its totient is φ = 438032000.

The previous prime is 1002001123. The next prime is 1002001159. The reversal of 1002001132 is 2311002001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124173 + ... + 131995.

It is an arithmetic number, because the mean of its divisors is an integer number (41404608).

Almost surely, 2^1002001132 is an apocalyptic number.

It is an amenable number.

1002001132 is a deficient number, since it is larger than the sum of its proper divisors (985420052).

1002001132 is a wasteful number, since it uses less digits than its factorization.

1002001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7950 (or 7948 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1002001132 is about 31654.4014633036. The cubic root of 1002001132 is about 1000.6665995463. Note that the first 3 decimals are identical.

Adding to 1002001132 its reverse (2311002001), we get a palindrome (3313003133).

The spelling of 1002001132 in words is "one billion, two million, one thousand, one hundred thirty-two".