4122172 has 6 divisors (see below), whose sum is σ = 7213808. Its totient is φ = 2061084.

The previous prime is 4122169. The next prime is 4122179. The reversal of 4122172 is 2712214.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515268 + ... + 515275.

Almost surely, 2^4122172 is an apocalyptic number.

It is an amenable number.

4122172 is a deficient number, since it is larger than the sum of its proper divisors (3091636).

4122172 is a wasteful number, since it uses less digits than its factorization.

4122172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030547 (or 1030545 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 4122172 is about 2030.3132763197. The cubic root of 4122172 is about 160.3400579915.

Adding to 4122172 its reverse (2712214), we get a palindrome (6834386).

The spelling of 4122172 in words is "four million, one hundred twenty-two thousand, one hundred seventy-two".