2040129 has 48 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 1033344.

The previous prime is 2040113. The next prime is 2040133. The reversal of 2040129 is 9210402.

It is not a de Polignac number, because 2040129 - 2⁴ = 2040113 is a prime.

It is a Curzon number.

2040129 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2040109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38467 + ... + 38519.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

2^2040129 is an apocalyptic number.

It is an amenable number.

2040129 is a deficient number, since it is larger than the sum of its proper divisors (1733823).

2040129 is a wasteful number, since it uses less digits than its factorization.

2040129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2040129 is about 1428.3308440274. The cubic root of 2040129 is about 126.8291873553.

The spelling of 2040129 in words is "two million, forty thousand, one hundred twenty-nine".