4557120231 has 4 divisors (see below), whose sum is σ = 6076160312. Its totient is φ = 3038080152.

The previous prime is 4557120167. The next prime is 4557120247. The reversal of 4557120231 is 1320217554.

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

It is not a de Polignac number, because 4557120231 - 2⁶ = 4557120167 is a prime.

It is a super-2 number, since 2×4557120231² = 41534689599578986722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4557127231) 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, 759520036 + ... + 759520041.

It is an arithmetic number, because the mean of its divisors is an integer number (1519040078).

Almost surely, 2^4557120231 is an apocalyptic number.

4557120231 is a deficient number, since it is larger than the sum of its proper divisors (1519040081).

4557120231 is a wasteful number, since it uses less digits than its factorization.

4557120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519040080.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 4557120231 is about 67506.4458477855. The cubic root of 4557120231 is about 1657.9197136253.

Adding to 4557120231 its reverse (1320217554), we get a palindrome (5877337785).

The spelling of 4557120231 in words is "four billion, five hundred fifty-seven million, one hundred twenty thousand, two hundred thirty-one".