1243117204 has 12 divisors (see below), whose sum is σ = 2486234464. Its totient is φ = 532764504.

The previous prime is 1243117193. The next prime is 1243117217. The reversal of 1243117204 is 4027113421.

1243117204 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22198494 + ... + 22198549.

Almost surely, 2^1243117204 is an apocalyptic number.

1243117204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1243117204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1243117204 is a wasteful number, since it uses less digits than its factorization.

1243117204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44397054 (or 44397052 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1243117204 is about 35257.8672639171. The cubic root of 1243117204 is about 1075.2365670821.

The spelling of 1243117204 in words is "one billion, two hundred forty-three million, one hundred seventeen thousand, two hundred four".