2124564205 has 8 divisors (see below), whose sum is σ = 2699446392. Its totient is φ = 1599671808.

The previous prime is 2124564203. The next prime is 2124564223. The reversal of 2124564205 is 5024654212.

It can be written as a sum of positive squares in 4 ways, for example, as 61496964 + 2063067241 = 7842^2 + 45421^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2124564205 - 2¹ = 2124564203 is a prime.

It is a super-2 number, since 2×2124564205² = 9027546122334564050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124564203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12497352 + ... + 12497521.

It is an arithmetic number, because the mean of its divisors is an integer number (337430799).

Almost surely, 2^2124564205 is an apocalyptic number.

It is an amenable number.

2124564205 is a deficient number, since it is larger than the sum of its proper divisors (574882187).

2124564205 is a wasteful number, since it uses less digits than its factorization.

2124564205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24994895.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2124564205 is about 46092.9951836502. The cubic root of 2124564205 is about 1285.5529029157.

The spelling of 2124564205 in words is "two billion, one hundred twenty-four million, five hundred sixty-four thousand, two hundred five".