1200064 has 28 divisors (see below), whose sum is σ = 2523744. Its totient is φ = 564224.

The previous prime is 1200061. The next prime is 1200077. The reversal of 1200064 is 4600021.

1200064 = 26² + 27² + ... + 153².

It is a plaindrome in base 14.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200061) 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, 537 + ... + 1639.

2^1200064 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 1200064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261872).

1200064 is an abundant number, since it is smaller than the sum of its proper divisors (1323680).

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

1200064 is a wasteful number, since it uses less digits than its factorization.

1200064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1200064 is about 1095.4743264906. The cubic root of 1200064 is about 106.2677460555.

Adding to 1200064 its reverse (4600021), we get a palindrome (5800085).

The spelling of 1200064 in words is "one million, two hundred thousand, sixty-four".