4027122 has 54 divisors (see below), whose sum is σ = 9818991. Its totient is φ = 1191960.

The previous prime is 4027103. The next prime is 4027123. The reversal of 4027122 is 2217204.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 2013561 = 1419^2 + 1419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1419.

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

It is a junction number, because it is equal to n+sod(n) for n = 4027095 and 4027104.

It is not an unprimeable number, because it can be changed into a prime (4027123) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 93633 + ... + 93675.

Almost surely, 2^4027122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4027122

4027122 is an abundant number, since it is smaller than the sum of its proper divisors (5791869).

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

4027122 is a wasteful number, since it uses less digits than its factorization.

4027122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 59 counting only the distinct ones).

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

The square root of 4027122 is about 2006.7690450074. The cubic root of 4027122 is about 159.0980764316.

Multiplying 4027122 by its sum of digits (18), we get a square (72488196 = 8514²).

4027122 divided by its sum of digits (18) gives a square (223729 = 473²).

The spelling of 4027122 in words is "four million, twenty-seven thousand, one hundred twenty-two".