1002605112 has 24 divisors (see below), whose sum is σ = 2715389040. Its totient is φ = 334201680.

The previous prime is 1002605027. The next prime is 1002605117. The reversal of 1002605112 is 2115062001.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002605117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6962464 + ... + 6962607.

It is an arithmetic number, because the mean of its divisors is an integer number (113141210).

Almost surely, 2^1002605112 is an apocalyptic number.

1002605112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002605112 is an abundant number, since it is smaller than the sum of its proper divisors (1712783928).

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

1002605112 is a wasteful number, since it uses less digits than its factorization.

1002605112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925083 (or 13925076 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1002605112 is about 31663.9402475434. The cubic root of 1002605112 is about 1000.8676176885.

Adding to 1002605112 its reverse (2115062001), we get a palindrome (3117667113).

The spelling of 1002605112 in words is "one billion, two million, six hundred five thousand, one hundred twelve".