541125121 has 4 divisors (see below), whose sum is σ = 541780272. Its totient is φ = 540469972.

The previous prime is 541125061. The next prime is 541125133. The reversal of 541125121 is 121521145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121521145 = 5 ⋅24304229.

It is a cyclic number.

It is not a de Polignac number, because 541125121 - 2⁷ = 541124993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541125092 and 541125101.

It is not an unprimeable number, because it can be changed into a prime (541126121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326335 + ... + 327988.

It is an arithmetic number, because the mean of its divisors is an integer number (135445068).

Almost surely, 2^541125121 is an apocalyptic number.

It is an amenable number.

541125121 is a deficient number, since it is larger than the sum of its proper divisors (655151).

541125121 is an equidigital number, since it uses as much as digits as its factorization.

541125121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655150.

The product of its digits is 400, while the sum is 22.

The square root of 541125121 is about 23262.0962297038. The cubic root of 541125121 is about 814.8904571303.

Adding to 541125121 its reverse (121521145), we get a palindrome (662646266).

The spelling of 541125121 in words is "five hundred forty-one million, one hundred twenty-five thousand, one hundred twenty-one".