1248775284 has 24 divisors (see below), whose sum is σ = 2943851008. Its totient is φ = 411966720.

The previous prime is 1248775277. The next prime is 1248775309. The reversal of 1248775284 is 4825778421.

1248775284 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1248775284³ (a number of 28 digits) contains 333 as substring.

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, 535252 + ... + 537579.

Almost surely, 2^1248775284 is an apocalyptic number.

It is an amenable number.

1248775284 is an abundant number, since it is smaller than the sum of its proper divisors (1695075724).

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

1248775284 is a wasteful number, since it uses less digits than its factorization.

1248775284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072935 (or 1072933 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 48.

The square root of 1248775284 is about 35338.0147150346. The cubic root of 1248775284 is about 1076.8654206375.

The spelling of 1248775284 in words is "one billion, two hundred forty-eight million, seven hundred seventy-five thousand, two hundred eighty-four".