1012003132 has 72 divisors (see below), whose sum is σ = 2203969824. Its totient is φ = 396914688.

The previous prime is 1012003121. The next prime is 1012003177. The reversal of 1012003132 is 2313002101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 650868 + ... + 652420.

It is an arithmetic number, because the mean of its divisors is an integer number (30610692).

Almost surely, 2^1012003132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012003132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101984912).

1012003132 is an abundant number, since it is smaller than the sum of its proper divisors (1191966692).

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

1012003132 is a wasteful number, since it uses less digits than its factorization.

1012003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1012003132 is about 31811.9966679239. The cubic root of 1012003132 is about 1003.9851415503.

Adding to 1012003132 its reverse (2313002101), we get a palindrome (3325005233).

The spelling of 1012003132 in words is "one billion, twelve million, three thousand, one hundred thirty-two".