1128511107 has 12 divisors (see below), whose sum is σ = 1633598304. Its totient is φ = 750713040.

The previous prime is 1128511081. The next prime is 1128511121. The reversal of 1128511107 is 7011158211.

It is not a de Polignac number, because 1128511107 - 2⁷ = 1128510979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128511147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131244 + ... + 139577.

It is an arithmetic number, because the mean of its divisors is an integer number (136133192).

Almost surely, 2^1128511107 is an apocalyptic number.

1128511107 is a deficient number, since it is larger than the sum of its proper divisors (505087197).

1128511107 is a wasteful number, since it uses less digits than its factorization.

1128511107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271290 (or 271287 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 27.

The square root of 1128511107 is about 33593.3193804959. The cubic root of 1128511107 is about 1041.1227725763.

Adding to 1128511107 its reverse (7011158211), we get a palindrome (8139669318).

The spelling of 1128511107 in words is "one billion, one hundred twenty-eight million, five hundred eleven thousand, one hundred seven".