4122072 has 24 divisors (see below), whose sum is σ = 11164140. Its totient is φ = 1374000.

The previous prime is 4122067. The next prime is 4122073. The reversal of 4122072 is 2702214.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28554 + ... + 28697.

Almost surely, 2^4122072 is an apocalyptic number.

It is an amenable number.

4122072 is an abundant number, since it is smaller than the sum of its proper divisors (7042068).

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

4122072 is a wasteful number, since it uses less digits than its factorization.

4122072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57263 (or 57256 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4122072 is about 2030.2886494289. The cubic root of 4122072 is about 160.3387614149.

Adding to 4122072 its reverse (2702214), we get a palindrome (6824286).

The spelling of 4122072 in words is "four million, one hundred twenty-two thousand, seventy-two".