2124002401 has 4 divisors (see below), whose sum is σ = 2164077972. Its totient is φ = 2083926832.

The previous prime is 2124002393. The next prime is 2124002407. The reversal of 2124002401 is 1042004212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 817902801 + 1306099600 = 28599^2 + 36140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124002401 - 2³ = 2124002393 is a prime.

It is a super-2 number, since 2×2124002401² = 9022772398907529602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124002407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20037706 + ... + 20037811.

It is an arithmetic number, because the mean of its divisors is an integer number (541019493).

Almost surely, 2^2124002401 is an apocalyptic number.

It is an amenable number.

2124002401 is a deficient number, since it is larger than the sum of its proper divisors (40075571).

2124002401 is an equidigital number, since it uses as much as digits as its factorization.

2124002401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40075570.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2124002401 is about 46086.9005358356. The cubic root of 2124002401 is about 1285.4395789015.

Adding to 2124002401 its reverse (1042004212), we get a palindrome (3166006613).

The spelling of 2124002401 in words is "two billion, one hundred twenty-four million, two thousand, four hundred one".