1214245800 has 144 divisors (see below), whose sum is σ = 4129944000. Its totient is φ = 319662720.

The previous prime is 1214245793. The next prime is 1214245819. The reversal of 1214245800 is 85424121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137931 + ... + 146469.

Almost surely, 2^1214245800 is an apocalyptic number.

1214245800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214245800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064972000).

1214245800 is an abundant number, since it is smaller than the sum of its proper divisors (2915698200).

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

1214245800 is a wasteful number, since it uses less digits than its factorization.

1214245800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640 (or 8628 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1214245800 is about 34846.0299029889. The cubic root of 1214245800 is about 1066.8471547882.

Adding to 1214245800 its reverse (85424121), we get a palindrome (1299669921).

The spelling of 1214245800 in words is "one billion, two hundred fourteen million, two hundred forty-five thousand, eight hundred".