601421320 has 64 divisors (see below), whose sum is σ = 1383117120. Its totient is φ = 235309824.

The previous prime is 601421311. The next prime is 601421329. The reversal of 601421320 is 23124106.

It is an interprime number because it is at equal distance from previous prime (601421311) and next prime (601421329).

It is not an unprimeable number, because it can be changed into a prime (601421329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354394 + ... + 356086.

It is an arithmetic number, because the mean of its divisors is an integer number (21611205).

Almost surely, 2^601421320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601421320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691558560).

601421320 is an abundant number, since it is smaller than the sum of its proper divisors (781695800).

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

601421320 is a wasteful number, since it uses less digits than its factorization.

601421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 601421320 is about 24523.8928394331. The cubic root of 601421320 is about 844.0981332852.

Adding to 601421320 its reverse (23124106), we get a palindrome (624545426).

The spelling of 601421320 in words is "six hundred one million, four hundred twenty-one thousand, three hundred twenty".