1148992928 has 48 divisors (see below), whose sum is σ = 2457987840. Its totient is φ = 526694400.

The previous prime is 1148992861. The next prime is 1148992997. The reversal of 1148992928 is 8292998411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148992928.

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, 11633 + ... + 49328.

It is an arithmetic number, because the mean of its divisors is an integer number (51208080).

Almost surely, 2^1148992928 is an apocalyptic number.

It is an amenable number.

1148992928 is an abundant number, since it is smaller than the sum of its proper divisors (1308994912).

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

1148992928 is a wasteful number, since it uses less digits than its factorization.

1148992928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61021 (or 61013 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The square root of 1148992928 is about 33896.7981968799. The cubic root of 1148992928 is about 1047.3836381130.

The spelling of 1148992928 in words is "one billion, one hundred forty-eight million, nine hundred ninety-two thousand, nine hundred twenty-eight".