1238122896 has 20 divisors (see below), whose sum is σ = 3198484272. Its totient is φ = 412707616.

The previous prime is 1238122889. The next prime is 1238122939. The reversal of 1238122896 is 6982218321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12897066 + ... + 12897161.

Almost surely, 2^1238122896 is an apocalyptic number.

1238122896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1238122896 is an abundant number, since it is smaller than the sum of its proper divisors (1960361376).

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

1238122896 is a wasteful number, since it uses less digits than its factorization.

1238122896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25794238 (or 25794232 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1238122896 is about 35186.9705430860. The cubic root of 1238122896 is about 1073.7946890364.

The spelling of 1238122896 in words is "one billion, two hundred thirty-eight million, one hundred twenty-two thousand, eight hundred ninety-six".