1148969280 has 56 divisors (see below), whose sum is σ = 3647980512. Its totient is φ = 306391552.

The previous prime is 1148969279. The next prime is 1148969303. The reversal of 1148969280 is 829698411.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 597462 + ... + 599381.

Almost surely, 2^1148969280 is an apocalyptic number.

1148969280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148969280 is an abundant number, since it is smaller than the sum of its proper divisors (2499011232).

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

1148969280 is a wasteful number, since it uses less digits than its factorization.

1148969280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196863 (or 1196853 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 1148969280 is about 33896.4493715787. The cubic root of 1148969280 is about 1047.3764524877.

The spelling of 1148969280 in words is "one billion, one hundred forty-eight million, nine hundred sixty-nine thousand, two hundred eighty".