122720230 has 8 divisors (see below), whose sum is σ = 220896432. Its totient is φ = 49088088.

The previous prime is 122720209. The next prime is 122720239. The reversal of 122720230 is 32027221.

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 = 122720198 and 122720207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122720239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136002 + ... + 6136021.

It is an arithmetic number, because the mean of its divisors is an integer number (27612054).

Almost surely, 2^122720230 is an apocalyptic number.

122720230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122720230 is a deficient number, since it is larger than the sum of its proper divisors (98176202).

122720230 is a wasteful number, since it uses less digits than its factorization.

122720230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272030.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 122720230 is about 11077.9163203194. The cubic root of 122720230 is about 496.9416376483.

Adding to 122720230 its reverse (32027221), we get a palindrome (154747451).

The spelling of 122720230 in words is "one hundred twenty-two million, seven hundred twenty thousand, two hundred thirty".