1242442200 has 48 divisors (see below), whose sum is σ = 3851572680. Its totient is φ = 331317760.

The previous prime is 1242442193. The next prime is 1242442241. The reversal of 1242442200 is 22442421.

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 11 ways as a sum of consecutive naturals, for example, 1034769 + ... + 1035968.

Almost surely, 2^1242442200 is an apocalyptic number.

1242442200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242442200 is an abundant number, since it is smaller than the sum of its proper divisors (2609130480).

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

1242442200 is a wasteful number, since it uses less digits than its factorization.

1242442200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070756 (or 2070747 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1242442200 is about 35248.2935757180. The cubic root of 1242442200 is about 1075.0419165195.

Adding to 1242442200 its reverse (22442421), we get a palindrome (1264884621).

The spelling of 1242442200 in words is "one billion, two hundred forty-two million, four hundred forty-two thousand, two hundred".