5126350121 has 4 divisors (see below), whose sum is σ = 5126697600. Its totient is φ = 5126002644.

The previous prime is 5126350109. The next prime is 5126350127. The reversal of 5126350121 is 1210536215.

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 5126350121 - 2¹⁰ = 5126349097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5126350127) 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, 150581 + ... + 181458.

It is an arithmetic number, because the mean of its divisors is an integer number (1281674400).

Almost surely, 2^5126350121 is an apocalyptic number.

It is an amenable number.

5126350121 is a deficient number, since it is larger than the sum of its proper divisors (347479).

5126350121 is a wasteful number, since it uses less digits than its factorization.

5126350121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347478.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5126350121 is about 71598.5343495242. The cubic root of 5126350121 is about 1724.2600056143.

Adding to 5126350121 its reverse (1210536215), we get a palindrome (6336886336).

The spelling of 5126350121 in words is "five billion, one hundred twenty-six million, three hundred fifty thousand, one hundred twenty-one".