1200147928 has 32 divisors (see below), whose sum is σ = 2581063200. Its totient is φ = 512485632.

The previous prime is 1200147913. The next prime is 1200147937. The reversal of 1200147928 is 8297410021.

It is a junction number, because it is equal to n+sod(n) for n = 1200147893 and 1200147902.

It is a congruent number.

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, 23173 + ... + 54196.

It is an arithmetic number, because the mean of its divisors is an integer number (80658225).

Almost surely, 2^1200147928 is an apocalyptic number.

It is an amenable number.

1200147928 is an abundant number, since it is smaller than the sum of its proper divisors (1380915272).

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

1200147928 is a wasteful number, since it uses less digits than its factorization.

1200147928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77659 (or 77655 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1200147928 is about 34643.1512423451. The cubic root of 1200147928 is about 1062.7022332098.

Adding to 1200147928 its reverse (8297410021), we get a palindrome (9497557949).

The spelling of 1200147928 in words is "one billion, two hundred million, one hundred forty-seven thousand, nine hundred twenty-eight".