544378121 has 8 divisors (see below), whose sum is σ = 622980864. Its totient is φ = 465984000.

The previous prime is 544378117. The next prime is 544378123. The reversal of 544378121 is 121873445.

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 544378121 - 2² = 544378117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544378123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46520 + ... + 57033.

It is an arithmetic number, because the mean of its divisors is an integer number (77872608).

Almost surely, 2^544378121 is an apocalyptic number.

It is an amenable number.

544378121 is a deficient number, since it is larger than the sum of its proper divisors (78602743).

544378121 is a wasteful number, since it uses less digits than its factorization.

544378121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104311.

The product of its digits is 26880, while the sum is 35.

The square root of 544378121 is about 23331.9120733814. The cubic root of 544378121 is about 816.5201137736.

The spelling of 544378121 in words is "five hundred forty-four million, three hundred seventy-eight thousand, one hundred twenty-one".