1128867115 has 8 divisors (see below), whose sum is σ = 1358915760. Its totient is φ = 900243552.

The previous prime is 1128867067. The next prime is 1128867149. The reversal of 1128867115 is 5117688211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1128867115 - 2¹³ = 1128858923 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 354525 + ... + 357694.

It is an arithmetic number, because the mean of its divisors is an integer number (169864470).

Almost surely, 2^1128867115 is an apocalyptic number.

1128867115 is a deficient number, since it is larger than the sum of its proper divisors (230048645).

1128867115 is an equidigital number, since it uses as much as digits as its factorization.

1128867115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712541.

The product of its digits is 26880, while the sum is 40.

The square root of 1128867115 is about 33598.6177543065. The cubic root of 1128867115 is about 1041.2322410210.

The spelling of 1128867115 in words is "one billion, one hundred twenty-eight million, eight hundred sixty-seven thousand, one hundred fifteen".