2780714121 has 4 divisors (see below), whose sum is σ = 3707618832. Its totient is φ = 1853809412.

The previous prime is 2780714107. The next prime is 2780714129. The reversal of 2780714121 is 1214170872.

2780714121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2780714121 - 2¹⁰ = 2780713097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2780714129) 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, 463452351 + ... + 463452356.

It is an arithmetic number, because the mean of its divisors is an integer number (926904708).

Almost surely, 2^2780714121 is an apocalyptic number.

It is an amenable number.

2780714121 is a deficient number, since it is larger than the sum of its proper divisors (926904711).

2780714121 is an equidigital number, since it uses as much as digits as its factorization.

2780714121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926904710.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 2780714121 is about 52732.4769093962. The cubic root of 2780714121 is about 1406.2162559646.

Adding to 2780714121 its reverse (1214170872), we get a palindrome (3994884993).

The spelling of 2780714121 in words is "two billion, seven hundred eighty million, seven hundred fourteen thousand, one hundred twenty-one".