1244042300 has 18 divisors (see below), whose sum is σ = 2699572008. Its totient is φ = 497616880.

The previous prime is 1244042299. The next prime is 1244042311. The reversal of 1244042300 is 32404421.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 5 ways as a sum of consecutive naturals, for example, 6220112 + ... + 6220311.

Almost surely, 2^1244042300 is an apocalyptic number.

1244042300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244042300 is an abundant number, since it is smaller than the sum of its proper divisors (1455529708).

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

1244042300 is a wasteful number, since it uses less digits than its factorization.

1244042300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440437 (or 12440430 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1244042300 is about 35270.9838252352. The cubic root of 1244042300 is about 1075.5032221230.

Adding to 1244042300 its reverse (32404421), we get a palindrome (1276446721).

The spelling of 1244042300 in words is "one billion, two hundred forty-four million, forty-two thousand, three hundred".