555600121 has 8 divisors (see below), whose sum is σ = 583599744. Its totient is φ = 527920800.

The previous prime is 555600043. The next prime is 555600151. The reversal of 555600121 is 121006555.

555600121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 555600121 - 2²³ = 547211513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555600151) 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, 76516 + ... + 83461.

It is an arithmetic number, because the mean of its divisors is an integer number (72949968).

Almost surely, 2^555600121 is an apocalyptic number.

It is an amenable number.

555600121 is a deficient number, since it is larger than the sum of its proper divisors (27999623).

555600121 is a wasteful number, since it uses less digits than its factorization.

555600121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160151.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 555600121 is about 23571.1713964325. The cubic root of 555600121 is about 822.0926724232.

Adding to 555600121 its reverse (121006555), we get a palindrome (676606676).

The spelling of 555600121 in words is "five hundred fifty-five million, six hundred thousand, one hundred twenty-one".