540121015 has 16 divisors (see below), whose sum is σ = 741791232. Its totient is φ = 369841824.

The previous prime is 540121009. The next prime is 540121031. The reversal of 540121015 is 510121045.

540121015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 540121015 - 2⁷ = 540120887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540120983 and 540121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14832 + ... + 36058.

It is an arithmetic number, because the mean of its divisors is an integer number (46361952).

Almost surely, 2^540121015 is an apocalyptic number.

540121015 is a deficient number, since it is larger than the sum of its proper divisors (201670217).

540121015 is a wasteful number, since it uses less digits than its factorization.

540121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21966.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 540121015 is about 23240.5037596004. The cubic root of 540121015 is about 814.3861110364.

The spelling of 540121015 in words is "five hundred forty million, one hundred twenty-one thousand, fifteen".