2120574 has 8 divisors (see below), whose sum is σ = 4241160. Its totient is φ = 706856.

The previous prime is 2120551. The next prime is 2120579. The reversal of 2120574 is 4750212.

It is a sphenic number, since it is the product of 3 distinct primes.

2120574 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176709 + ... + 176720.

It is an arithmetic number, because the mean of its divisors is an integer number (530145).

2^2120574 is an apocalyptic number.

2120574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2120574 is a wasteful number, since it uses less digits than its factorization.

2120574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353434.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2120574 is about 1456.2190769249. The cubic root of 2120574 is about 128.4747587277.

Adding to 2120574 its reverse (4750212), we get a palindrome (6870786).

The spelling of 2120574 in words is "two million, one hundred twenty thousand, five hundred seventy-four".