601128340 has 12 divisors (see below), whose sum is σ = 1262369556. Its totient is φ = 240451328.

The previous prime is 601128337. The next prime is 601128377. The reversal of 601128340 is 43821106.

It can be written as a sum of positive squares in 2 ways, for example, as 423865744 + 177262596 = 20588^2 + 13314^2 .

It is a super-2 number, since 2×601128340² = 722710562302311200, which contains 22 as substring.

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, 15028189 + ... + 15028228.

It is an arithmetic number, because the mean of its divisors is an integer number (105197463).

Almost surely, 2^601128340 is an apocalyptic number.

It is an amenable number.

601128340 is an abundant number, since it is smaller than the sum of its proper divisors (661241216).

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

601128340 is a wasteful number, since it uses less digits than its factorization.

601128340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30056426 (or 30056424 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 601128340 is about 24517.9187534342. The cubic root of 601128340 is about 843.9610446745.

Adding to 601128340 its reverse (43821106), we get a palindrome (644949446).

The spelling of 601128340 in words is "six hundred one million, one hundred twenty-eight thousand, three hundred forty".