1252727300 has 72 divisors (see below), whose sum is σ = 3001495392. Its totient is φ = 450016000.

The previous prime is 1252727291. The next prime is 1252727309. The reversal of 1252727300 is 37272521.

It is an interprime number because it is at equal distance from previous prime (1252727291) and next prime (1252727309).

It is not an unprimeable number, because it can be changed into a prime (1252727309) 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, 84440 + ... + 98160.

It is an arithmetic number, because the mean of its divisors is an integer number (41687436).

Almost surely, 2^1252727300 is an apocalyptic number.

1252727300 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 1252727300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500747696).

1252727300 is an abundant number, since it is smaller than the sum of its proper divisors (1748768092).

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

1252727300 is a wasteful number, since it uses less digits than its factorization.

1252727300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829 (or 13822 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 1252727300 is about 35393.8878904254. The cubic root of 1252727300 is about 1078.0002145570. Note that the first 3 decimals are identical.

Adding to 1252727300 its reverse (37272521), we get a palindrome (1289999821).

The spelling of 1252727300 in words is "one billion, two hundred fifty-two million, seven hundred twenty-seven thousand, three hundred".