1248894528 has 224 divisors, whose sum is σ = 4087148544. Its totient is φ = 328409088.

The previous prime is 1248894487. The next prime is 1248894533. The reversal of 1248894528 is 8254988421.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1073275 + ... + 1074437.

Almost surely, 2^1248894528 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 1248894528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2043574272).

1248894528 is an abundant number, since it is smaller than the sum of its proper divisors (2838254016).

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

1248894528 is a wasteful number, since it uses less digits than its factorization.

1248894528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1239 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 1248894528 is about 35339.7018663146. The cubic root of 1248894528 is about 1076.8996957268.

The spelling of 1248894528 in words is "one billion, two hundred forty-eight million, eight hundred ninety-four thousand, five hundred twenty-eight".