1245528560 has 40 divisors (see below), whose sum is σ = 2910590496. Its totient is φ = 495676160.

The previous prime is 1245528553. The next prime is 1245528577. The reversal of 1245528560 is 658255421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23756 + ... + 55275.

Almost surely, 2^1245528560 is an apocalyptic number.

1245528560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245528560 is an abundant number, since it is smaller than the sum of its proper divisors (1665061936).

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

1245528560 is a wasteful number, since it uses less digits than its factorization.

1245528560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79241 (or 79235 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 1245528560 is about 35292.0466961042. The cubic root of 1245528560 is about 1075.9313536726.

The spelling of 1245528560 in words is "one billion, two hundred forty-five million, five hundred twenty-eight thousand, five hundred sixty".