1158060728 has 16 divisors (see below), whose sum is σ = 2368760760. Its totient is φ = 526391200.

The previous prime is 1158060677. The next prime is 1158060733. The reversal of 1158060728 is 8270608511.

It is a super-2 number, since 2×1158060728² = 2682209299471779968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158060691 and 1158060700.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6579803 + ... + 6579978.

Almost surely, 2^1158060728 is an apocalyptic number.

It is an amenable number.

1158060728 is an abundant number, since it is smaller than the sum of its proper divisors (1210700032).

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

1158060728 is a wasteful number, since it uses less digits than its factorization.

1158060728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159798 (or 13159794 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1158060728 is about 34030.2913299313. The cubic root of 1158060728 is about 1050.1317228548.

The spelling of 1158060728 in words is "one billion, one hundred fifty-eight million, sixty thousand, seven hundred twenty-eight".