1002140112 has 80 divisors (see below), whose sum is σ = 2699345088. Its totient is φ = 320087040.

The previous prime is 1002140101. The next prime is 1002140129. The reversal of 1002140112 is 2110412001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 104812 + ... + 113972.

Almost surely, 2^1002140112 is an apocalyptic number.

1002140112 is a gapful number since it is divisible by the number (12) 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 1002140112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349672544).

1002140112 is an abundant number, since it is smaller than the sum of its proper divisors (1697204976).

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

1002140112 is a wasteful number, since it uses less digits than its factorization.

1002140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268 (or 9262 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1002140112 is about 31656.5966585165. The cubic root of 1002140112 is about 1000.7128623732.

Adding to 1002140112 its reverse (2110412001), we get a palindrome (3112552113).

The spelling of 1002140112 in words is "one billion, two million, one hundred forty thousand, one hundred twelve".