4544232121 has 8 divisors (see below), whose sum is σ = 5338678464. Its totient is φ = 3813341520.

The previous prime is 4544232101. The next prime is 4544232167. The reversal of 4544232121 is 1212324454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4544232121 - 2⁹ = 4544231609 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 4544232121.

It is not an unprimeable number, because it can be changed into a prime (4544232101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15888781 + ... + 15889066.

It is an arithmetic number, because the mean of its divisors is an integer number (667334808).

Almost surely, 2^4544232121 is an apocalyptic number.

It is an amenable number.

4544232121 is a deficient number, since it is larger than the sum of its proper divisors (794446343).

4544232121 is a wasteful number, since it uses less digits than its factorization.

4544232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31777871.

The product of its digits is 7680, while the sum is 28.

The square root of 4544232121 is about 67410.9198943317. The cubic root of 4544232121 is about 1656.3553026562.

Adding to 4544232121 its reverse (1212324454), we get a palindrome (5756556575).

The spelling of 4544232121 in words is "four billion, five hundred forty-four million, two hundred thirty-two thousand, one hundred twenty-one".