601515124420 has 48 divisors (see below), whose sum is σ = 1456880705280. Its totient is φ = 204341698944.

The previous prime is 601515124409. The next prime is 601515124423. The reversal of 601515124420 is 24421515106.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (601515124423) 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, 19693624 + ... + 19724143.

It is an arithmetic number, because the mean of its divisors is an integer number (30351681360).

Almost surely, 2^601515124420 is an apocalyptic number.

It is an amenable number.

601515124420 is an abundant number, since it is smaller than the sum of its proper divisors (855365580860).

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

601515124420 is a wasteful number, since it uses less digits than its factorization.

601515124420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39417892 (or 39417890 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 601515124420 its reverse (24421515106), we get a palindrome (625936639526).

The spelling of 601515124420 in words is "six hundred one billion, five hundred fifteen million, one hundred twenty-four thousand, four hundred twenty".