321120472 has 32 divisors (see below), whose sum is σ = 607590000. Its totient is φ = 159105024.

The previous prime is 321120467. The next prime is 321120473. The reversal of 321120472 is 274021123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321120473) 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, 643279 + ... + 643777.

Almost surely, 2^321120472 is an apocalyptic number.

It is an amenable number.

321120472 is a deficient number, since it is larger than the sum of its proper divisors (286469528).

321120472 is a wasteful number, since it uses less digits than its factorization.

321120472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 321120472 is about 17919.8345974509. The cubic root of 321120472 is about 684.7877737776.

Adding to 321120472 its reverse (274021123), we get a palindrome (595141595).

The spelling of 321120472 in words is "three hundred twenty-one million, one hundred twenty thousand, four hundred seventy-two".