730122 has 8 divisors (see below), whose sum is σ = 1460256. Its totient is φ = 243372.

The previous prime is 730111. The next prime is 730139. The reversal of 730122 is 221037.

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

730122 is an admirable number.

It is an unprimeable number.

730122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60838 + ... + 60849.

It is an arithmetic number, because the mean of its divisors is an integer number (182532).

2⁷³⁰¹²² is an apocalyptic number.

730122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730122 is a wasteful number, since it uses less digits than its factorization.

730122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121692.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 730122 is about 854.4717666488. The cubic root of 730122 is about 90.0461491716.

Adding to 730122 its reverse (221037), we get a palindrome (951159).

The spelling of 730122 in words is "seven hundred thirty thousand, one hundred twenty-two".