1241200000 has 192 divisors, whose sum is σ = 3227137200. Its totient is φ = 474880000.

The previous prime is 1241199997. The next prime is 1241200007. The reversal of 1241200000 is 21421.

1241200000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 1241200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241200007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11599947 + ... + 11600053.

Almost surely, 2^1241200000 is an apocalyptic number.

1241200000 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 1241200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613568600).

1241200000 is an abundant number, since it is smaller than the sum of its proper divisors (1985937200).

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

1241200000 is an frugal number, since it uses more digits than its factorization.

1241200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1241200000 is about 35230.6684580353. The cubic root of 1241200000 is about 1074.6835196009.

Adding to 1241200000 its reverse (21421), we get a palindrome (1241221421).

The spelling of 1241200000 in words is "one billion, two hundred forty-one million, two hundred thousand".