2105429 has 8 divisors (see below), whose sum is σ = 2208000. Its totient is φ = 2004912.

The previous prime is 2105419. The next prime is 2105431. The reversal of 2105429 is 9245012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105429 - 2⁴ = 2105413 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 (2105419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (276000).

2^2105429 is an apocalyptic number.

2105429 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2105429 is a deficient number, since it is larger than the sum of its proper divisors (102571).

2105429 is an equidigital number, since it uses as much as digits as its factorization.

2105429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2105429 is about 1451.0096484862. The cubic root of 2105429 is about 128.1681749399.

The spelling of 2105429 in words is "two million, one hundred five thousand, four hundred twenty-nine".