282042121 has 8 divisors (see below), whose sum is σ = 299541024. Its totient is φ = 264644160.

The previous prime is 282042091. The next prime is 282042161. The reversal of 282042121 is 121240282.

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 282042121 - 2¹⁹ = 281517833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 282042092 and 282042101.

It is not an unprimeable number, because it can be changed into a prime (282042161) 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, 19435 + ... + 30688.

It is an arithmetic number, because the mean of its divisors is an integer number (37442628).

Almost surely, 2^282042121 is an apocalyptic number.

It is an amenable number.

282042121 is a deficient number, since it is larger than the sum of its proper divisors (17498903).

282042121 is a wasteful number, since it uses less digits than its factorization.

282042121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50471.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 282042121 is about 16794.1097114435. The cubic root of 282042121 is about 655.7998666027.

The spelling of 282042121 in words is "two hundred eighty-two million, forty-two thousand, one hundred twenty-one".