1234560 has 64 divisors (see below), whose sum is σ = 3941280. Its totient is φ = 328704.

The previous prime is 1234547. The next prime is 1234577. The reversal of 1234560 is 654321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1599 + ... + 2241.

2^1234560 is an apocalyptic number.

1234560 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 1234560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970640).

1234560 is an abundant number, since it is smaller than the sum of its proper divisors (2706720).

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

1234560 is an equidigital number, since it uses as much as digits as its factorization.

1234560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1234560 is about 1111.1075555499. The cubic root of 1234560 is about 107.2763694323.

Adding to 1234560 its reverse (654321), we get a palindrome (1888881).

The spelling of 1234560 in words is "one million, two hundred thirty-four thousand, five hundred sixty".