2720124001 has 4 divisors (see below), whose sum is σ = 3108713152. Its totient is φ = 2331534852.

The previous prime is 2720123983. The next prime is 2720124091. The reversal of 2720124001 is 1004210272.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2720124001 - 2⁷ = 2720123873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2720124001.

It is not an unprimeable number, because it can be changed into a prime (2720124091) 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, 194294565 + ... + 194294578.

It is an arithmetic number, because the mean of its divisors is an integer number (777178288).

Almost surely, 2^2720124001 is an apocalyptic number.

It is an amenable number.

2720124001 is a deficient number, since it is larger than the sum of its proper divisors (388589151).

2720124001 is an equidigital number, since it uses as much as digits as its factorization.

2720124001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388589150.

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

The square root of 2720124001 is about 52154.8080333923. The cubic root of 2720124001 is about 1395.9276215338.

Adding to 2720124001 its reverse (1004210272), we get a palindrome (3724334273).

The spelling of 2720124001 in words is "two billion, seven hundred twenty million, one hundred twenty-four thousand, one".