4021134 has 32 divisors (see below), whose sum is σ = 8945664. Its totient is φ = 1196640.

The previous prime is 4021099. The next prime is 4021151. The reversal of 4021134 is 4311204.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (279552).

Almost surely, 2^4021134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4472832).

4021134 is an abundant number, since it is smaller than the sum of its proper divisors (4924530).

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

4021134 is a wasteful number, since it uses less digits than its factorization.

4021134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4021134 is about 2005.2765395326. The cubic root of 4021134 is about 159.0191820535.

Adding to 4021134 its reverse (4311204), we get a palindrome (8332338).

The spelling of 4021134 in words is "four million, twenty-one thousand, one hundred thirty-four".