1248678528 has 32 divisors (see below), whose sum is σ = 3316803360. Its totient is φ = 416226048.

The previous prime is 1248678527. The next prime is 1248678559. The reversal of 1248678528 is 8258768421.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1248678523) 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, 1625500 + ... + 1626267.

It is an arithmetic number, because the mean of its divisors is an integer number (103650105).

Almost surely, 2^1248678528 is an apocalyptic number.

It is an amenable number.

1248678528 is an abundant number, since it is smaller than the sum of its proper divisors (2068124832).

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

1248678528 is an equidigital number, since it uses as much as digits as its factorization.

1248678528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251784 (or 3251772 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 1248678528 is about 35336.6456812188. The cubic root of 1248678528 is about 1076.8376078188.

The spelling of 1248678528 in words is "one billion, two hundred forty-eight million, six hundred seventy-eight thousand, five hundred twenty-eight".