545020412121 has 12 divisors (see below), whose sum is σ = 787677963072. Its totient is φ = 363150207576.

The previous prime is 545020412117. The next prime is 545020412129. The reversal of 545020412121 is 121214020545.

It is a happy number.

545020412121 is a `hidden beast` number, since 5 + 450 + 204 + 1 + 2 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 545020412121 - 2² = 545020412117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545020412129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16376941 + ... + 16410186.

It is an arithmetic number, because the mean of its divisors is an integer number (65639830256).

Almost surely, 2^545020412121 is an apocalyptic number.

It is an amenable number.

545020412121 is a deficient number, since it is larger than the sum of its proper divisors (242657550951).

545020412121 is a wasteful number, since it uses less digits than its factorization.

545020412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32788980 (or 32788977 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 545020412121 its reverse (121214020545), we get a palindrome (666234432666).

The spelling of 545020412121 in words is "five hundred forty-five billion, twenty million, four hundred twelve thousand, one hundred twenty-one".