1001120112 has 30 divisors (see below), whose sum is σ = 2801746272. Its totient is φ = 333706656.

The previous prime is 1001120101. The next prime is 1001120119. The reversal of 1001120112 is 2110211001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001120094 and 1001120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3475968 + ... + 3476255.

Almost surely, 2^1001120112 is an apocalyptic number.

1001120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001120112 is an abundant number, since it is smaller than the sum of its proper divisors (1800626160).

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

1001120112 is a wasteful number, since it uses less digits than its factorization.

1001120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952237 (or 6952228 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1001120112 is about 31640.4821707887. The cubic root of 1001120112 is about 1000.3732313477.

Adding to 1001120112 its reverse (2110211001), we get a palindrome (3111331113).

The spelling of 1001120112 in words is "one billion, one million, one hundred twenty thousand, one hundred twelve".