601251220 has 12 divisors (see below), whose sum is σ = 1262627604. Its totient is φ = 240500480.

The previous prime is 601251199. The next prime is 601251251. The reversal of 601251220 is 22152106.

It can be written as a sum of positive squares in 2 ways, for example, as 285407236 + 315843984 = 16894^2 + 17772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15031261 + ... + 15031300.

It is an arithmetic number, because the mean of its divisors is an integer number (105218967).

Almost surely, 2^601251220 is an apocalyptic number.

It is an amenable number.

601251220 is an abundant number, since it is smaller than the sum of its proper divisors (661376384).

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

601251220 is a wasteful number, since it uses less digits than its factorization.

601251220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30062570 (or 30062568 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 601251220 is about 24520.4245477112. The cubic root of 601251220 is about 844.0185470195.

The spelling of 601251220 in words is "six hundred one million, two hundred fifty-one thousand, two hundred twenty".