1148260028 has 24 divisors (see below), whose sum is σ = 2019780000. Its totient is φ = 571189248.

The previous prime is 1148259989. The next prime is 1148260031. The reversal of 1148260028 is 8200628411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1148259976 and 1148260003.

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, 820073 + ... + 821471.

It is an arithmetic number, because the mean of its divisors is an integer number (84157500).

Almost surely, 2^1148260028 is an apocalyptic number.

It is an amenable number.

1148260028 is a deficient number, since it is larger than the sum of its proper divisors (871519972).

1148260028 is a wasteful number, since it uses less digits than its factorization.

1148260028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1148260028 is about 33885.9857168122. The cubic root of 1148260028 is about 1047.1608950131.

Adding to 1148260028 its reverse (8200628411), we get a palindrome (9348888439).

The spelling of 1148260028 in words is "one billion, one hundred forty-eight million, two hundred sixty thousand, twenty-eight".