1148106728 has 8 divisors (see below), whose sum is σ = 2152700130. Its totient is φ = 574053360.

The previous prime is 1148106727. The next prime is 1148106761. The reversal of 1148106728 is 8276018411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 586511524 + 561595204 = 24218^2 + 23698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1148106691 and 1148106700.

It is not an unprimeable number, because it can be changed into a prime (1148106727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71756663 + ... + 71756678.

Almost surely, 2^1148106728 is an apocalyptic number.

It is an amenable number.

1148106728 is a deficient number, since it is larger than the sum of its proper divisors (1004593402).

1148106728 is a wasteful number, since it uses less digits than its factorization.

1148106728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143513347 (or 143513343 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1148106728 is about 33883.7236442514. The cubic root of 1148106728 is about 1047.1142920643.

The spelling of 1148106728 in words is "one billion, one hundred forty-eight million, one hundred six thousand, seven hundred twenty-eight".