1126802538 has 24 divisors (see below), whose sum is σ = 2442557988. Its totient is φ = 375423552.

The previous prime is 1126802531. The next prime is 1126802609. The reversal of 1126802538 is 8352086211.

It is a happy number.

1126802538 is a `hidden beast` number, since 112 + 6 + 8 + 0 + 2 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1126743489 + 59049 = 33567^2 + 243^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1126802531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 27720 + ... + 54972.

Almost surely, 2^1126802538 is an apocalyptic number.

1126802538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1126802538 is an abundant number, since it is smaller than the sum of its proper divisors (1315755450).

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

1126802538 is a wasteful number, since it uses less digits than its factorization.

1126802538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29558 (or 29555 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1126802538 is about 33567.8795576962. The cubic root of 1126802538 is about 1040.5970862518.

Adding to 1126802538 its reverse (8352086211), we get a palindrome (9478888749).

The spelling of 1126802538 in words is "one billion, one hundred twenty-six million, eight hundred two thousand, five hundred thirty-eight".