544121100 has 54 divisors (see below), whose sum is σ = 1705520180. Its totient is φ = 145098720.

The previous prime is 544121093. The next prime is 544121131. The reversal of 544121100 is 1121445.

544121100 is a `hidden beast` number, since 544 + 1 + 21 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 301390 + ... + 303189.

Almost surely, 2^544121100 is an apocalyptic number.

544121100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

544121100 is an abundant number, since it is smaller than the sum of its proper divisors (1161399080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544121100 is a wasteful number, since it uses less digits than its factorization.

544121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604599 (or 604589 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 544121100 is about 23326.4034947525. The cubic root of 544121100 is about 816.3915904520.

Adding to 544121100 its reverse (1121445), we get a palindrome (545242545).

The spelling of 544121100 in words is "five hundred forty-four million, one hundred twenty-one thousand, one hundred".