1200560 has 40 divisors (see below), whose sum is σ = 2864400. Its totient is φ = 467712.

The previous prime is 1200527. The next prime is 1200581. The reversal of 1200560 is 650021.

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

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, 3266 + ... + 3614.

It is an arithmetic number, because the mean of its divisors is an integer number (71610).

2^1200560 is an apocalyptic number.

1200560 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 1200560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432200).

1200560 is an abundant number, since it is smaller than the sum of its proper divisors (1663840).

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

1200560 is a wasteful number, since it uses less digits than its factorization.

1200560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1200560 is about 1095.7006890570. The cubic root of 1200560 is about 106.2823845920.

Adding to 1200560 its reverse (650021), we get a palindrome (1850581).

The spelling of 1200560 in words is "one million, two hundred thousand, five hundred sixty".