1201082560 has 84 divisors (see below), whose sum is σ = 2962765728. Its totient is φ = 463762432.

The previous prime is 1201082543. The next prime is 1201082573. The reversal of 1201082560 is 652801021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266889 + ... + 271351.

Almost surely, 2^1201082560 is an apocalyptic number.

1201082560 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 1201082560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481382864).

1201082560 is an abundant number, since it is smaller than the sum of its proper divisors (1761683168).

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

1201082560 is an equidigital number, since it uses as much as digits as its factorization.

1201082560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538 (or 4499 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1201082560 is about 34656.6380366013. The cubic root of 1201082560 is about 1062.9780263766.

Adding to 1201082560 its reverse (652801021), we get a palindrome (1853883581).

The spelling of 1201082560 in words is "one billion, two hundred one million, eighty-two thousand, five hundred sixty".