321120130 has 16 divisors (see below), whose sum is σ = 591459264. Its totient is φ = 125460720.

The previous prime is 321120127. The next prime is 321120187. The reversal of 321120130 is 31021123.

It is a self number, because there is not a number n which added to its sum of digits gives 321120130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372966 + ... + 373825.

It is an arithmetic number, because the mean of its divisors is an integer number (36966204).

Almost surely, 2^321120130 is an apocalyptic number.

321120130 is a deficient number, since it is larger than the sum of its proper divisors (270339134).

321120130 is a wasteful number, since it uses less digits than its factorization.

321120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746841.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 321120130 is about 17919.8250549496. The cubic root of 321120130 is about 684.7875306731.

Adding to 321120130 its reverse (31021123), we get a palindrome (352141253).

The spelling of 321120130 in words is "three hundred twenty-one million, one hundred twenty thousand, one hundred thirty".