1200261504 has 64 divisors (see below), whose sum is σ = 3433454640. Its totient is φ = 369309696.

The previous prime is 1200261467. The next prime is 1200261527. The reversal of 1200261504 is 4051620021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115227 + ... + 125210.

Almost surely, 2^1200261504 is an apocalyptic number.

It is an amenable number.

1200261504 is an abundant number, since it is smaller than the sum of its proper divisors (2233193136).

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

1200261504 is a wasteful number, since it uses less digits than its factorization.

1200261504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240467 (or 240455 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1200261504 is about 34644.7904308859. The cubic root of 1200261504 is about 1062.7357550946.

Adding to 1200261504 its reverse (4051620021), we get a palindrome (5251881525).

The spelling of 1200261504 in words is "one billion, two hundred million, two hundred sixty-one thousand, five hundred four".