2127620071 has 4 divisors (see below), whose sum is σ = 2127735544. Its totient is φ = 2127504600.

The previous prime is 2127620051. The next prime is 2127620081. The reversal of 2127620071 is 1700267212.

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 a de Polignac number, because none of the positive numbers 2^k-2127620071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127620051) 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, 23220 + ... + 69241.

It is an arithmetic number, because the mean of its divisors is an integer number (531933886).

Almost surely, 2^2127620071 is an apocalyptic number.

2127620071 is a deficient number, since it is larger than the sum of its proper divisors (115473).

2127620071 is an equidigital number, since it uses as much as digits as its factorization.

2127620071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115472.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2127620071 is about 46126.1321920666. The cubic root of 2127620071 is about 1286.1689657917.

Adding to 2127620071 its reverse (1700267212), we get a palindrome (3827887283).

The spelling of 2127620071 in words is "two billion, one hundred twenty-seven million, six hundred twenty thousand, seventy-one".