1200512 has 32 divisors (see below), whose sum is σ = 2441880. Its totient is φ = 587776.

The previous prime is 1200509. The next prime is 1200527. The reversal of 1200512 is 2150021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1200493 and 1200502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10568 + ... + 10680.

2^1200512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220940).

1200512 is an abundant number, since it is smaller than the sum of its proper divisors (1241368).

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

1200512 is an equidigital number, since it uses as much as digits as its factorization.

1200512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1200512 is about 1095.6787850461. The cubic root of 1200512 is about 106.2809681356.

Adding to 1200512 its reverse (2150021), we get a palindrome (3350533).

The spelling of 1200512 in words is "one million, two hundred thousand, five hundred twelve".