2120274 has 72 divisors (see below), whose sum is σ = 5395572. Its totient is φ = 599040.

The previous prime is 2120269. The next prime is 2120297. The reversal of 2120274 is 4720212.

It can be written as a sum of positive squares in 6 ways, for example, as 140625 + 1979649 = 375^2 + 1407^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51694 + ... + 51734.

2^2120274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697786).

2120274 is an abundant number, since it is smaller than the sum of its proper divisors (3275298).

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

2120274 is a wasteful number, since it uses less digits than its factorization.

2120274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 76 counting only the distinct ones).

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

The square root of 2120274 is about 1456.1160668024. The cubic root of 2120274 is about 128.4686999522.

Adding to 2120274 its reverse (4720212), we get a palindrome (6840486).

The spelling of 2120274 in words is "two million, one hundred twenty thousand, two hundred seventy-four".