1209152 has 28 divisors (see below), whose sum is σ = 2743200. Its totient is φ = 518016.

The previous prime is 1209151. The next prime is 1209163. The reversal of 1209152 is 2519021.

It is a tau number, because it is divible by the number of its divisors (28).

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902 + ... + 1797.

2^1209152 is an apocalyptic number.

It is an amenable number.

1209152 is an abundant number, since it is smaller than the sum of its proper divisors (1534048).

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

1209152 is an equidigital number, since it uses as much as digits as its factorization.

1209152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1209152 is about 1099.6144778967. The cubic root of 1209152 is about 106.5353244515.

The spelling of 1209152 in words is "one million, two hundred nine thousand, one hundred fifty-two".