1378038122 has 24 divisors (see below), whose sum is σ = 2210676300. Its totient is φ = 644096000.

The previous prime is 1378038119. The next prime is 1378038197. The reversal of 1378038122 is 2218308731.

It can be written as a sum of positive squares in 6 ways, for example, as 1044647041 + 333391081 = 32321^2 + 18259^2 .

It is an unprimeable number.

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, 78122 + ... + 94122.

Almost surely, 2^1378038122 is an apocalyptic number.

1378038122 is a deficient number, since it is larger than the sum of its proper divisors (832638178).

1378038122 is a wasteful number, since it uses less digits than its factorization.

1378038122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16186 (or 16169 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1378038122 is about 37121.9358600814. The cubic root of 1378038122 is about 1112.8084395291.

The spelling of 1378038122 in words is "one billion, three hundred seventy-eight million, thirty-eight thousand, one hundred twenty-two".