1001123016 has 16 divisors (see below), whose sum is σ = 2502807600. Its totient is φ = 333707664.

The previous prime is 1001123003. The next prime is 1001123027. The reversal of 1001123016 is 6103211001.

It is a super-3 number, since 3×1001123016³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001122986 and 1001123004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20856706 + ... + 20856753.

It is an arithmetic number, because the mean of its divisors is an integer number (156425475).

Almost surely, 2^1001123016 is an apocalyptic number.

It is an amenable number.

1001123016 is an abundant number, since it is smaller than the sum of its proper divisors (1501684584).

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

1001123016 is a wasteful number, since it uses less digits than its factorization.

1001123016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41713468 (or 41713464 counting only the distinct ones).

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

The square root of 1001123016 is about 31640.5280613330. The cubic root of 1001123016 is about 1000.3741986246.

Adding to 1001123016 its reverse (6103211001), we get a palindrome (7104334017).

The spelling of 1001123016 in words is "one billion, one million, one hundred twenty-three thousand, sixteen".