1250501200 has 120 divisors (see below), whose sum is σ = 3268837656. Its totient is φ = 456960000.

The previous prime is 1250501183. The next prime is 1250501209. The reversal of 1250501200 is 21050521.

It can be written as a sum of positive squares in 12 ways, for example, as 662341696 + 588159504 = 25736^2 + 24252^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250501209) 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, 524010 + ... + 526390.

Almost surely, 2^1250501200 is an apocalyptic number.

1250501200 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 1250501200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634418828).

1250501200 is an abundant number, since it is smaller than the sum of its proper divisors (2018336456).

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

1250501200 is a wasteful number, since it uses less digits than its factorization.

1250501200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513 (or 2502 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1250501200 is about 35362.4263873394. The cubic root of 1250501200 is about 1077.3612994665.

Adding to 1250501200 its reverse (21050521), we get a palindrome (1271551721).

The spelling of 1250501200 in words is "one billion, two hundred fifty million, five hundred one thousand, two hundred".