1126778112 has 54 divisors (see below), whose sum is σ = 3248785722. Its totient is φ = 375591936.

The previous prime is 1126778101. The next prime is 1126778117. The reversal of 1126778112 is 2118776211.

It can be written as a sum of positive squares in only one way, i.e., 1122518016 + 4260096 = 33504^2 + 2064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126778117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 242223 + ... + 246830.

Almost surely, 2^1126778112 is an apocalyptic number.

1126778112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1126778112 is an abundant number, since it is smaller than the sum of its proper divisors (2122007610).

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

1126778112 is an equidigital number, since it uses as much as digits as its factorization.

1126778112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489075 (or 489058 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 1126778112 is about 33567.5157257727. The cubic root of 1126778112 is about 1040.5895670970.

The spelling of 1126778112 in words is "one billion, one hundred twenty-six million, seven hundred seventy-eight thousand, one hundred twelve".