1148499020 has 24 divisors (see below), whose sum is σ = 2516711904. Its totient is φ = 439425536.

The previous prime is 1148499019. The next prime is 1148499041. The reversal of 1148499020 is 209948411.

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, 1247909 + ... + 1248828.

It is an arithmetic number, because the mean of its divisors is an integer number (104862996).

Almost surely, 2^1148499020 is an apocalyptic number.

1148499020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148499020 is an abundant number, since it is smaller than the sum of its proper divisors (1368212884).

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

1148499020 is a wasteful number, since it uses less digits than its factorization.

1148499020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496769 (or 2496767 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1148499020 is about 33889.5119469136. The cubic root of 1148499020 is about 1047.2335399163.

The spelling of 1148499020 in words is "one billion, one hundred forty-eight million, four hundred ninety-nine thousand, twenty".