243020122 has 8 divisors (see below), whose sum is σ = 369971136. Its totient is φ = 119696412.

The previous prime is 243020119. The next prime is 243020137. The reversal of 243020122 is 221020342.

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

It is a junction number, because it is equal to n+sod(n) for n = 243020096 and 243020105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906658 + ... + 906925.

It is an arithmetic number, because the mean of its divisors is an integer number (46246392).

Almost surely, 2^243020122 is an apocalyptic number.

243020122 is a deficient number, since it is larger than the sum of its proper divisors (126951014).

243020122 is a wasteful number, since it uses less digits than its factorization.

243020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813652.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 243020122 is about 15589.1026682103. The cubic root of 243020122 is about 624.0423709038.

Adding to 243020122 its reverse (221020342), we get a palindrome (464040464).

The spelling of 243020122 in words is "two hundred forty-three million, twenty thousand, one hundred twenty-two".