545050121 has 16 divisors (see below), whose sum is σ = 680054400. Its totient is φ = 424394880.

The previous prime is 545050111. The next prime is 545050123. The reversal of 545050121 is 121050545.

It is a happy number.

It is not a de Polignac number, because 545050121 - 2¹⁰ = 545049097 is a prime.

It is a super-2 number, since 2×545050121² = 594159268804229282, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545050123) 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 15 ways as a sum of consecutive naturals, for example, 194885 + ... + 197661.

It is an arithmetic number, because the mean of its divisors is an integer number (42503400).

Almost surely, 2^545050121 is an apocalyptic number.

It is an amenable number.

545050121 is a deficient number, since it is larger than the sum of its proper divisors (135004279).

545050121 is a wasteful number, since it uses less digits than its factorization.

545050121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 545050121 is about 23346.3085090556. The cubic root of 545050121 is about 816.8559562520.

The spelling of 545050121 in words is "five hundred forty-five million, fifty thousand, one hundred twenty-one".