1242183184 has 80 divisors (see below), whose sum is σ = 2688935040. Its totient is φ = 551162880.

The previous prime is 1242183181. The next prime is 1242183211. The reversal of 1242183184 is 4813812421.

It is a super-2 number, since 2×1242183184² = 3086038125224755712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242183181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399989 + ... + 1400875.

It is an arithmetic number, because the mean of its divisors is an integer number (33611688).

Almost surely, 2^1242183184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242183184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344467520).

1242183184 is an abundant number, since it is smaller than the sum of its proper divisors (1446751856).

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

1242183184 is a wasteful number, since it uses less digits than its factorization.

1242183184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1082 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 1242183184 is about 35244.6192205278. The cubic root of 1242183184 is about 1074.9672054896.

The spelling of 1242183184 in words is "one billion, two hundred forty-two million, one hundred eighty-three thousand, one hundred eighty-four".