2001029 has 4 divisors (see below), whose sum is σ = 2070060. Its totient is φ = 1932000.

The previous prime is 2000989. The next prime is 2001037. The reversal of 2001029 is 9201002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 1612900 = 623^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001029 - 2¹² = 1996933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34472 + ... + 34529.

It is an arithmetic number, because the mean of its divisors is an integer number (517515).

2^2001029 is an apocalyptic number.

2001029 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2001029 is a deficient number, since it is larger than the sum of its proper divisors (69031).

2001029 is an equidigital number, since it uses as much as digits as its factorization.

2001029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69030.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2001029 is about 1414.5773220294. The cubic root of 2001029 is about 126.0137089308.

The spelling of 2001029 in words is "two million, one thousand, twenty-nine".