1001603112 has 32 divisors (see below), whose sum is σ = 2514499200. Its totient is φ = 332468864.

The previous prime is 1001603111. The next prime is 1001603117. The reversal of 1001603112 is 2113061001.

It is a junction number, because it is equal to n+sod(n) for n = 1001603091 and 1001603100.

It is not an unprimeable number, because it can be changed into a prime (1001603111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 81573 + ... + 93044.

It is an arithmetic number, because the mean of its divisors is an integer number (78578100).

Almost surely, 2^1001603112 is an apocalyptic number.

1001603112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001603112 is an abundant number, since it is smaller than the sum of its proper divisors (1512896088).

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

1001603112 is a wasteful number, since it uses less digits than its factorization.

1001603112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174865 (or 174861 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1001603112 is about 31648.1138774493. The cubic root of 1001603112 is about 1000.5340853687.

Adding to 1001603112 its reverse (2113061001), we get a palindrome (3114664113).

The spelling of 1001603112 in words is "one billion, one million, six hundred three thousand, one hundred twelve".