2129043 has 8 divisors (see below), whose sum is σ = 3244288. Its totient is φ = 1216584.

The previous prime is 2129027. The next prime is 2129047. The reversal of 2129043 is 3409212.

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

It is not a de Polignac number, because 2129043 - 2⁴ = 2129027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 101383 = 2129043 / (2 + 1 + 2 + 9 + 0 + 4 + 3).

It is a Duffinian number.

2129043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2129047) 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, 50671 + ... + 50712.

It is an arithmetic number, because the mean of its divisors is an integer number (405536).

2^2129043 is an apocalyptic number.

2129043 is a deficient number, since it is larger than the sum of its proper divisors (1115245).

2129043 is a wasteful number, since it uses less digits than its factorization.

2129043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101393.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2129043 is about 1459.1240522999. The cubic root of 2129043 is about 128.6455627135.

The spelling of 2129043 in words is "two million, one hundred twenty-nine thousand, forty-three".