1601325120 has 112 divisors (see below), whose sum is σ = 5106741120. Its totient is φ = 425127936.

The previous prime is 1601325083. The next prime is 1601325239. The reversal of 1601325120 is 215231061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220101 + ... + 227259.

Almost surely, 2^1601325120 is an apocalyptic number.

1601325120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601325120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2553370560).

1601325120 is an abundant number, since it is smaller than the sum of its proper divisors (3505416000).

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

1601325120 is a wasteful number, since it uses less digits than its factorization.

1601325120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412 (or 7402 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1601325120 is about 40016.5605718433. The cubic root of 1601325120 is about 1169.9298957192.

Adding to 1601325120 its reverse (215231061), we get a palindrome (1816556181).

The spelling of 1601325120 in words is "one billion, six hundred one million, three hundred twenty-five thousand, one hundred twenty".