2120534 has 8 divisors (see below), whose sum is σ = 3425520. Its totient is φ = 978696.

The previous prime is 2120513. The next prime is 2120537. The reversal of 2120534 is 4350212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120537) 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, 40754 + ... + 40805.

It is an arithmetic number, because the mean of its divisors is an integer number (428190).

2^2120534 is an apocalyptic number.

2120534 is a deficient number, since it is larger than the sum of its proper divisors (1304986).

2120534 is a wasteful number, since it uses less digits than its factorization.

2120534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81574.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2120534 is about 1456.2053426629. The cubic root of 2120534 is about 128.4739509240.

Adding to 2120534 its reverse (4350212), we get a palindrome (6470746).

The spelling of 2120534 in words is "two million, one hundred twenty thousand, five hundred thirty-four".