541661123 has 8 divisors (see below), whose sum is σ = 583245360. Its totient is φ = 501157120.

The previous prime is 541661069. The next prime is 541661129. The reversal of 541661123 is 321166145.

It is a happy number.

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 541661123 - 2¹⁰ = 541660099 is a prime.

It is a super-2 number, since 2×541661123² = 586793544339242258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541661129) 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, 269018 + ... + 271023.

It is an arithmetic number, because the mean of its divisors is an integer number (72905670).

Almost surely, 2^541661123 is an apocalyptic number.

541661123 is a deficient number, since it is larger than the sum of its proper divisors (41584237).

541661123 is a wasteful number, since it uses less digits than its factorization.

541661123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540117.

The product of its digits is 4320, while the sum is 29.

The square root of 541661123 is about 23273.6143089121. The cubic root of 541661123 is about 815.1594268265.

The spelling of 541661123 in words is "five hundred forty-one million, six hundred sixty-one thousand, one hundred twenty-three".