1002505112 has 48 divisors (see below), whose sum is σ = 2233150560. Its totient is φ = 420495936.

The previous prime is 1002505109. The next prime is 1002505169. The reversal of 1002505112 is 2115052001.

It is a super-2 number, since 2×1002505112² = 2010032999172265088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8783 + ... + 45630.

It is an arithmetic number, because the mean of its divisors is an integer number (46523970).

Almost surely, 2^1002505112 is an apocalyptic number.

It is an amenable number.

1002505112 is an abundant number, since it is smaller than the sum of its proper divisors (1230645448).

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

1002505112 is a wasteful number, since it uses less digits than its factorization.

1002505112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54480 (or 54469 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1002505112 is about 31662.3611248435. The cubic root of 1002505112 is about 1000.8343410148.

Adding to 1002505112 its reverse (2115052001), we get a palindrome (3117557113).

The spelling of 1002505112 in words is "one billion, two million, five hundred five thousand, one hundred twelve".