4121772 has 12 divisors (see below), whose sum is σ = 9617496. Its totient is φ = 1373920.

The previous prime is 4121753. The next prime is 4121779. The reversal of 4121772 is 2771214.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4121779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171729 + ... + 171752.

It is an arithmetic number, because the mean of its divisors is an integer number (801458).

Almost surely, 2^4121772 is an apocalyptic number.

It is an amenable number.

4121772 is an abundant number, since it is smaller than the sum of its proper divisors (5495724).

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

4121772 is a wasteful number, since it uses less digits than its factorization.

4121772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343488 (or 343486 counting only the distinct ones).

The product of its digits is 784, while the sum is 24.

The square root of 4121772 is about 2030.2147669643. The cubic root of 4121772 is about 160.3348715592.

Adding to 4121772 its reverse (2771214), we get a palindrome (6892986).

The spelling of 4121772 in words is "four million, one hundred twenty-one thousand, seven hundred seventy-two".