1230948928 has 56 divisors (see below), whose sum is σ = 2698577280. Its totient is φ = 552414720.

The previous prime is 1230948907. The next prime is 1230948947. The reversal of 1230948928 is 8298490321.

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 7 ways as a sum of consecutive naturals, for example, 44550 + ... + 66682.

It is an arithmetic number, because the mean of its divisors is an integer number (48188880).

Almost surely, 2^1230948928 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 1230948928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349288640).

1230948928 is an abundant number, since it is smaller than the sum of its proper divisors (1467628352).

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

1230948928 is a wasteful number, since it uses less digits than its factorization.

1230948928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22235 (or 22225 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1230948928 is about 35084.8817583870. The cubic root of 1230948928 is about 1071.7167329079.

The spelling of 1230948928 in words is "one billion, two hundred thirty million, nine hundred forty-eight thousand, nine hundred twenty-eight".