1138122050 has 54 divisors (see below), whose sum is σ = 2298535083. Its totient is φ = 419084640.

The previous prime is 1138122031. The next prime is 1138122071. The reversal of 1138122050 is 502218311.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 71250481 + 1066871569 = 8441^2 + 32663^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23855.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3100967 + ... + 3101333.

Almost surely, 2^1138122050 is an apocalyptic number.

1138122050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138122050 is an abundant number, since it is smaller than the sum of its proper divisors (1160413033).

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

1138122050 is an equidigital number, since it uses as much as digits as its factorization.

1138122050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1138122050 is about 33736.0645304102. The cubic root of 1138122050 is about 1044.0699890200.

The spelling of 1138122050 in words is "one billion, one hundred thirty-eight million, one hundred twenty-two thousand, fifty".