1166125028 has 6 divisors (see below), whose sum is σ = 2040718806. Its totient is φ = 583062512.

The previous prime is 1166124977. The next prime is 1166125039. The reversal of 1166125028 is 8205216611.

It can be written as a sum of positive squares in only one way, i.e., 864477604 + 301647424 = 29402^2 + 17368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1166124985 and 1166125003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145765625 + ... + 145765632.

It is an arithmetic number, because the mean of its divisors is an integer number (340119801).

Almost surely, 2^1166125028 is an apocalyptic number.

It is an amenable number.

1166125028 is a deficient number, since it is larger than the sum of its proper divisors (874593778).

1166125028 is a wasteful number, since it uses less digits than its factorization.

1166125028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291531261 (or 291531259 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1166125028 is about 34148.5728545133. The cubic root of 1166125028 is about 1052.5636608394.

The spelling of 1166125028 in words is "one billion, one hundred sixty-six million, one hundred twenty-five thousand, twenty-eight".