1200360064 has 64 divisors (see below), whose sum is σ = 2505919680. Its totient is φ = 571648000.

The previous prime is 1200360047. The next prime is 1200360107. The reversal of 1200360064 is 4600630021.

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, 826539 + ... + 827989.

It is an arithmetic number, because the mean of its divisors is an integer number (39154995).

Almost surely, 2^1200360064 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 1200360064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252959840).

1200360064 is an abundant number, since it is smaller than the sum of its proper divisors (1305559616).

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

1200360064 is a wasteful number, since it uses less digits than its factorization.

1200360064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1200360064 is about 34646.2128377692. The cubic root of 1200360064 is about 1062.7648433026.

Adding to 1200360064 its reverse (4600630021), we get a palindrome (5800990085).

The spelling of 1200360064 in words is "one billion, two hundred million, three hundred sixty thousand, sixty-four".