1248278584 has 32 divisors (see below), whose sum is σ = 2832230880. Its totient is φ = 503506944.

The previous prime is 1248278561. The next prime is 1248278623. The reversal of 1248278584 is 4858728421.

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, 654657 + ... + 656560.

It is an arithmetic number, because the mean of its divisors is an integer number (88507215).

Almost surely, 2^1248278584 is an apocalyptic number.

1248278584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1248278584 is an abundant number, since it is smaller than the sum of its proper divisors (1583952296).

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

1248278584 is a wasteful number, since it uses less digits than its factorization.

1248278584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311247 (or 1311243 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 49.

The square root of 1248278584 is about 35330.9861736125. The cubic root of 1248278584 is about 1076.7226274029.

The spelling of 1248278584 in words is "one billion, two hundred forty-eight million, two hundred seventy-eight thousand, five hundred eighty-four".