1001263112 has 32 divisors (see below), whose sum is σ = 1891814400. Its totient is φ = 496795584.

The previous prime is 1001263097. The next prime is 1001263129. The reversal of 1001263112 is 2113621001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700943 + ... + 702369.

It is an arithmetic number, because the mean of its divisors is an integer number (59119200).

Almost surely, 2^1001263112 is an apocalyptic number.

It is an amenable number.

1001263112 is a deficient number, since it is larger than the sum of its proper divisors (890551288).

1001263112 is a wasteful number, since it uses less digits than its factorization.

1001263112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1001263112 is about 31642.7418533856. The cubic root of 1001263112 is about 1000.4208601852.

Adding to 1001263112 its reverse (2113621001), we get a palindrome (3114884113).

The spelling of 1001263112 in words is "one billion, one million, two hundred sixty-three thousand, one hundred twelve".