544132121 has 4 divisors (see below), whose sum is σ = 585988452. Its totient is φ = 502275792.

The previous prime is 544132111. The next prime is 544132151. The reversal of 544132121 is 121231445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 245360896 + 298771225 = 15664^2 + 17285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544132121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544132111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20928146 + ... + 20928171.

It is an arithmetic number, because the mean of its divisors is an integer number (146497113).

Almost surely, 2^544132121 is an apocalyptic number.

It is an amenable number.

544132121 is a deficient number, since it is larger than the sum of its proper divisors (41856331).

544132121 is a wasteful number, since it uses less digits than its factorization.

544132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41856330.

The product of its digits is 960, while the sum is 23.

The square root of 544132121 is about 23326.6397280020. The cubic root of 544132121 is about 816.3971023322.

Adding to 544132121 its reverse (121231445), we get a palindrome (665363566).

The spelling of 544132121 in words is "five hundred forty-four million, one hundred thirty-two thousand, one hundred twenty-one".