547221123 has 16 divisors (see below), whose sum is σ = 812649600. Its totient is φ = 363935880.

The previous prime is 547221121. The next prime is 547221127. The reversal of 547221123 is 321122745.

547221123 is a `hidden beast` number, since 547 + 2 + 2 + 112 + 3 = 666.

547221123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 547221123 - 2¹ = 547221121 is a prime.

It is a super-2 number, since 2×547221123² = 598901914914762258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (547221121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12873 + ... + 35498.

It is an arithmetic number, because the mean of its divisors is an integer number (50790600).

Almost surely, 2^547221123 is an apocalyptic number.

547221123 is a deficient number, since it is larger than the sum of its proper divisors (265428477).

547221123 is a wasteful number, since it uses less digits than its factorization.

547221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48799 (or 48793 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 547221123 is about 23392.7579177830. The cubic root of 547221123 is about 817.9390655486.

Adding to 547221123 its reverse (321122745), we get a palindrome (868343868).

The spelling of 547221123 in words is "five hundred forty-seven million, two hundred twenty-one thousand, one hundred twenty-three".