1229560 has 32 divisors (see below), whose sum is σ = 2818800. Its totient is φ = 482560.

The previous prime is 1229531. The next prime is 1229561. The reversal of 1229560 is 659221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100 + ... + 2620.

2^1229560 is an apocalyptic number.

1229560 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 1229560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409400).

1229560 is an abundant number, since it is smaller than the sum of its proper divisors (1589240).

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

1229560 is a wasteful number, since it uses less digits than its factorization.

1229560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1229560 is about 1108.8552655780. The cubic root of 1229560 is about 107.1313494519.

The spelling of 1229560 in words is "one million, two hundred twenty-nine thousand, five hundred sixty".