1250240000 has 100 divisors (see below), whose sum is σ = 3122347404. Its totient is φ = 499968000.

The previous prime is 1250239933. The next prime is 1250240011. The reversal of 1250240000 is 420521.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 318047 + ... + 321953.

Almost surely, 2^1250240000 is an apocalyptic number.

1250240000 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 1250240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561173702).

1250240000 is an abundant number, since it is smaller than the sum of its proper divisors (1872107404).

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

1250240000 is an frugal number, since it uses more digits than its factorization.

1250240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1250240000 is about 35358.7330089753. The cubic root of 1250240000 is about 1077.2862825142.

Adding to 1250240000 its reverse (420521), we get a palindrome (1250660521).

The spelling of 1250240000 in words is "one billion, two hundred fifty million, two hundred forty thousand".