2001142104 has 64 divisors (see below), whose sum is σ = 5519132640. Its totient is φ = 600714240.

The previous prime is 2001142103. The next prime is 2001142133. The reversal of 2001142104 is 4012411002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001142103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65427 + ... + 91010.

Almost surely, 2^2001142104 is an apocalyptic number.

2001142104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2001142104 is an abundant number, since it is smaller than the sum of its proper divisors (3517990536).

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

2001142104 is a wasteful number, since it uses less digits than its factorization.

2001142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156500 (or 156496 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2001142104 is about 44734.1268384664. The cubic root of 2001142104 is about 1260.1608310700.

Adding to 2001142104 its reverse (4012411002), we get a palindrome (6013553106).

The spelling of 2001142104 in words is "two billion, one million, one hundred forty-two thousand, one hundred four".