4121250051 has 4 divisors (see below), whose sum is σ = 5495000072. Its totient is φ = 2747500032.

The previous prime is 4121250031. The next prime is 4121250071. The reversal of 4121250051 is 1500521214.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4121250031) and next prime (4121250071).

It is not a de Polignac number, because 4121250051 - 2¹⁸ = 4120987907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4121250031) 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, 686875006 + ... + 686875011.

It is an arithmetic number, because the mean of its divisors is an integer number (1373750018).

Almost surely, 2^4121250051 is an apocalyptic number.

4121250051 is a deficient number, since it is larger than the sum of its proper divisors (1373750021).

4121250051 is a wasteful number, since it uses less digits than its factorization.

4121250051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373750020.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 4121250051 is about 64196.9629421829. The cubic root of 4121250051 is about 1603.2810342173.

Adding to 4121250051 its reverse (1500521214), we get a palindrome (5621771265).

The spelling of 4121250051 in words is "four billion, one hundred twenty-one million, two hundred fifty thousand, fifty-one".