2124261 has 12 divisors (see below), whose sum is σ = 3084588. Its totient is φ = 1408704.

The previous prime is 2124253. The next prime is 2124277. The reversal of 2124261 is 1624212.

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 1988100 = 369^2 + 1410^2 .

It is not a de Polignac number, because 2124261 - 2³ = 2124253 is a prime.

It is a super-2 number, since 2×2124261² = 9024969592242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (257049).

2^2124261 is an apocalyptic number.

It is an amenable number.

2124261 is a deficient number, since it is larger than the sum of its proper divisors (960327).

2124261 is a wasteful number, since it uses less digits than its factorization.

2124261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1249 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2124261 is about 1457.4844767612. The cubic root of 2124261 is about 128.5491744552.

Adding to 2124261 its reverse (1624212), we get a palindrome (3748473).

The spelling of 2124261 in words is "two million, one hundred twenty-four thousand, two hundred sixty-one".