546401121 has 32 divisors (see below), whose sum is σ = 841881600. Its totient is φ = 308775936.

The previous prime is 546401101. The next prime is 546401123. The reversal of 546401121 is 121104645.

It is a happy number.

It is not a de Polignac number, because 546401121 - 2²⁷ = 412183393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546401091 and 546401100.

It is not an unprimeable number, because it can be changed into a prime (546401123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216705 + ... + 1217153.

It is an arithmetic number, because the mean of its divisors is an integer number (26308800).

Almost surely, 2^546401121 is an apocalyptic number.

It is an amenable number.

546401121 is a deficient number, since it is larger than the sum of its proper divisors (295480479).

546401121 is a wasteful number, since it uses less digits than its factorization.

546401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 546401121 is about 23375.2245122908. The cubic root of 546401121 is about 817.5303051546.

Adding to 546401121 its reverse (121104645), we get a palindrome (667505766).

The spelling of 546401121 in words is "five hundred forty-six million, four hundred one thousand, one hundred twenty-one".