2125340777 has 16 divisors (see below), whose sum is σ = 2514291840. Its totient is φ = 1757801472.

The previous prime is 2125340753. The next prime is 2125340807. The reversal of 2125340777 is 7770435212.

It is not a de Polignac number, because 2125340777 - 2¹⁴ = 2125324393 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 2125340777.

It is not an unprimeable number, because it can be changed into a prime (2125340977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556958 + ... + 560760.

It is an arithmetic number, because the mean of its divisors is an integer number (157143240).

Almost surely, 2^2125340777 is an apocalyptic number.

It is an amenable number.

2125340777 is a deficient number, since it is larger than the sum of its proper divisors (388951063).

2125340777 is a wasteful number, since it uses less digits than its factorization.

2125340777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 2125340777 is about 46101.4183838198. The cubic root of 2125340777 is about 1285.7095158618.

Adding to 2125340777 its reverse (7770435212), we get a palindrome (9895775989).

The spelling of 2125340777 in words is "two billion, one hundred twenty-five million, three hundred forty thousand, seven hundred seventy-seven".