542502121 has 8 divisors (see below), whose sum is σ = 620274240. Its totient is φ = 464797968.

The previous prime is 542502089. The next prime is 542502137. The reversal of 542502121 is 121205245.

542502121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 542502121 - 2⁵ = 542502089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542502092 and 542502101.

It is not an unprimeable number, because it can be changed into a prime (542502151) 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, 1455 + ... + 32971.

It is an arithmetic number, because the mean of its divisors is an integer number (77534280).

Almost surely, 2^542502121 is an apocalyptic number.

It is an amenable number.

542502121 is a deficient number, since it is larger than the sum of its proper divisors (77772119).

542502121 is a wasteful number, since it uses less digits than its factorization.

542502121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33983.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 542502121 is about 23291.6749290385. The cubic root of 542502121 is about 815.5810883441.

Adding to 542502121 its reverse (121205245), we get a palindrome (663707366).

The spelling of 542502121 in words is "five hundred forty-two million, five hundred two thousand, one hundred twenty-one".