1200504016 has 20 divisors (see below), whose sum is σ = 2401009024. Its totient is φ = 580888800.

The previous prime is 1200503963. The next prime is 1200504017. The reversal of 1200504016 is 6104050021.

1200504016 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1200503984 and 1200504002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200504017) 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, 1209690 + ... + 1210681.

Almost surely, 2^1200504016 is an apocalyptic number.

1200504016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1200504016 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200504016 is a wasteful number, since it uses less digits than its factorization.

1200504016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420410 (or 2420404 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1200504016 is about 34648.2902319869. The cubic root of 1200504016 is about 1062.8073252807.

Adding to 1200504016 its reverse (6104050021), we get a palindrome (7304554037).

The spelling of 1200504016 in words is "one billion, two hundred million, five hundred four thousand, sixteen".