4257701121 has 4 divisors (see below), whose sum is σ = 5676934832. Its totient is φ = 2838467412.

The previous prime is 4257701113. The next prime is 4257701177. The reversal of 4257701121 is 1211077524.

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 not a de Polignac number, because 4257701121 - 2³ = 4257701113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257721121) 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, 709616851 + ... + 709616856.

It is an arithmetic number, because the mean of its divisors is an integer number (1419233708).

Almost surely, 2^4257701121 is an apocalyptic number.

It is an amenable number.

4257701121 is a deficient number, since it is larger than the sum of its proper divisors (1419233711).

4257701121 is a wasteful number, since it uses less digits than its factorization.

4257701121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419233710.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 4257701121 is about 65251.0622212390. The cubic root of 4257701121 is about 1620.7836884195.

Adding to 4257701121 its reverse (1211077524), we get a palindrome (5468778645).

The spelling of 4257701121 in words is "four billion, two hundred fifty-seven million, seven hundred one thousand, one hundred twenty-one".