2124020071 has 4 divisors (see below), whose sum is σ = 2124113152. Its totient is φ = 2123926992.

The previous prime is 2124020057. The next prime is 2124020081. The reversal of 2124020071 is 1700204212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2124020071 - 2¹⁵ = 2123987303 is a prime.

It is a super-2 number, since 2×2124020071² = 9022922524021690082, 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 (2124020021) 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, 13555 + ... + 66571.

It is an arithmetic number, because the mean of its divisors is an integer number (531028288).

Almost surely, 2^2124020071 is an apocalyptic number.

2124020071 is a deficient number, since it is larger than the sum of its proper divisors (93081).

2124020071 is an equidigital number, since it uses as much as digits as its factorization.

2124020071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93080.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2124020071 is about 46087.0922384999. The cubic root of 2124020071 is about 1285.4431435011.

Adding to 2124020071 its reverse (1700204212), we get a palindrome (3824224283).

The spelling of 2124020071 in words is "two billion, one hundred twenty-four million, twenty thousand, seventy-one".