1560780 has 144 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 354816.

The previous prime is 1560749. The next prime is 1560781. The reversal of 1560780 is 870651.

1560780 is a nontrivial binomial coefficient, being equal to C(29, 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53806 + ... + 53834.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2^1560780 is an apocalyptic number.

1560780 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 1560780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751840).

1560780 is an abundant number, since it is smaller than the sum of its proper divisors (3942900).

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

1560780 is a wasteful number, since it uses less digits than its factorization.

1560780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1560780 is about 1249.3118105581. The cubic root of 1560780 is about 115.9971263656.

The spelling of 1560780 in words is "one million, five hundred sixty thousand, seven hundred eighty".