1200620532 has 48 divisors (see below), whose sum is σ = 2926828800. Its totient is φ = 382569600.

The previous prime is 1200620527. The next prime is 1200620549. The reversal of 1200620532 is 2350260021.

It is a junction number, because it is equal to n+sod(n) for n = 1200620499 and 1200620508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18069 + ... + 52227.

It is an arithmetic number, because the mean of its divisors is an integer number (60975600).

Almost surely, 2^1200620532 is an apocalyptic number.

1200620532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200620532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463414400).

1200620532 is an abundant number, since it is smaller than the sum of its proper divisors (1726208268).

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

1200620532 is a wasteful number, since it uses less digits than its factorization.

1200620532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34296 (or 34294 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1200620532 is about 34649.9716017200. The cubic root of 1200620532 is about 1062.8417080762.

Adding to 1200620532 its reverse (2350260021), we get a palindrome (3550880553).

The spelling of 1200620532 in words is "one billion, two hundred million, six hundred twenty thousand, five hundred thirty-two".