4720122 has 48 divisors (see below), whose sum is σ = 11531520. Its totient is φ = 1382400.

The previous prime is 4720099. The next prime is 4720141. The reversal of 4720122 is 2210274.

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 = 4720095 and 4720104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5754 + ... + 6522.

It is an arithmetic number, because the mean of its divisors is an integer number (240240).

Almost surely, 2^4720122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4720122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5765760).

4720122 is an abundant number, since it is smaller than the sum of its proper divisors (6811398).

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

4720122 is a wasteful number, since it uses less digits than its factorization.

4720122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 816 counting only the distinct ones).

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

The square root of 4720122 is about 2172.5841755845. The cubic root of 4720122 is about 167.7455757712.

Adding to 4720122 its reverse (2210274), we get a palindrome (6930396).

The spelling of 4720122 in words is "four million, seven hundred twenty thousand, one hundred twenty-two".