4129000 has 32 divisors (see below), whose sum is σ = 9664200. Its totient is φ = 1651200.

The previous prime is 4128967. The next prime is 4129003. The reversal of 4129000 is 9214.

It can be written as a sum of positive squares in 4 ways, for example, as 1313316 + 2815684 = 1146^2 + 1678^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129003) 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, 1065 + ... + 3064.

Almost surely, 2^4129000 is an apocalyptic number.

4129000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4129000 is an abundant number, since it is smaller than the sum of its proper divisors (5535200).

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

4129000 is a wasteful number, since it uses less digits than its factorization.

4129000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 4129000 is about 2031.9940944796. The cubic root of 4129000 is about 160.4285386915.

The spelling of 4129000 in words is "four million, one hundred twenty-nine thousand".