1245603660 has 96 divisors (see below), whose sum is σ = 3997120512. Its totient is φ = 283910400.

The previous prime is 1245603649. The next prime is 1245603703. The reversal of 1245603660 is 663065421.

1245603660 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152685 + ... + 160635.

It is an arithmetic number, because the mean of its divisors is an integer number (41636672).

Almost surely, 2^1245603660 is an apocalyptic number.

1245603660 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 1245603660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1998560256).

1245603660 is an abundant number, since it is smaller than the sum of its proper divisors (2751516852).

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

1245603660 is a wasteful number, since it uses less digits than its factorization.

1245603660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343 (or 8341 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1245603660 is about 35293.1106591641. The cubic root of 1245603660 is about 1075.9529779113.

The spelling of 1245603660 in words is "one billion, two hundred forty-five million, six hundred three thousand, six hundred sixty".