540344121 has 8 divisors (see below), whose sum is σ = 729578880. Its totient is φ = 355669392.

The previous prime is 540344117. The next prime is 540344131. The reversal of 540344121 is 121443045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540344121 - 2² = 540344117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 540344091 and 540344100.

It is not an unprimeable number, because it can be changed into a prime (540344131) 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, 1139730 + ... + 1140203.

It is an arithmetic number, because the mean of its divisors is an integer number (91197360).

Almost surely, 2^540344121 is an apocalyptic number.

It is an amenable number.

540344121 is a deficient number, since it is larger than the sum of its proper divisors (189234759).

540344121 is a wasteful number, since it uses less digits than its factorization.

540344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280015.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 540344121 is about 23245.3032030129. The cubic root of 540344121 is about 814.4982275258.

Adding to 540344121 its reverse (121443045), we get a palindrome (661787166).

The spelling of 540344121 in words is "five hundred forty million, three hundred forty-four thousand, one hundred twenty-one".