1128341116 has 24 divisors (see below), whose sum is σ = 2261540736. Its totient is φ = 482533680.

The previous prime is 1128341101. The next prime is 1128341117. The reversal of 1128341116 is 6111438211.

It is a super-2 number, since 2×1128341116² = 2546307348112250912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128341117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30070 + ... + 56221.

It is an arithmetic number, because the mean of its divisors is an integer number (94230864).

Almost surely, 2^1128341116 is an apocalyptic number.

It is an amenable number.

1128341116 is an abundant number, since it is smaller than the sum of its proper divisors (1133199620).

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

1128341116 is a wasteful number, since it uses less digits than its factorization.

1128341116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86769 (or 86767 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 1128341116 is about 33590.7891541714. The cubic root of 1128341116 is about 1041.0704941399.

Adding to 1128341116 its reverse (6111438211), we get a palindrome (7239779327).

The spelling of 1128341116 in words is "one billion, one hundred twenty-eight million, three hundred forty-one thousand, one hundred sixteen".