1244100200 has 72 divisors (see below), whose sum is σ = 3364809750. Its totient is φ = 426545280.

The previous prime is 1244100181. The next prime is 1244100211. The reversal of 1244100200 is 20014421.

It can be written as a sum of positive squares in 3 ways, for example, as 651372484 + 592727716 = 25522^2 + 24346^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53675 + ... + 73274.

Almost surely, 2^1244100200 is an apocalyptic number.

1244100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244100200 is an abundant number, since it is smaller than the sum of its proper divisors (2120709550).

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

1244100200 is a wasteful number, since it uses less digits than its factorization.

1244100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126979 (or 126963 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1244100200 is about 35271.8046036774. The cubic root of 1244100200 is about 1075.5199071587.

Adding to 1244100200 its reverse (20014421), we get a palindrome (1264114621).

The spelling of 1244100200 in words is "one billion, two hundred forty-four million, one hundred thousand, two hundred".