1245625560 has 128 divisors (see below), whose sum is σ = 4370688000. Its totient is φ = 314679168.

The previous prime is 1245625543. The next prime is 1245625583. The reversal of 1245625560 is 655265421.

1245625560 is a `hidden beast` number, since 1 + 2 + 45 + 62 + 556 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9832 + ... + 50871.

It is an arithmetic number, because the mean of its divisors is an integer number (34146000).

Almost surely, 2^1245625560 is an apocalyptic number.

1245625560 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 1245625560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2185344000).

1245625560 is an abundant number, since it is smaller than the sum of its proper divisors (3125062440).

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

1245625560 is a wasteful number, since it uses less digits than its factorization.

1245625560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60742 (or 60732 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 1245625560 is about 35293.4209166524. The cubic root of 1245625560 is about 1075.9592836175.

The spelling of 1245625560 in words is "one billion, two hundred forty-five million, six hundred twenty-five thousand, five hundred sixty".