1000252760 has 64 divisors (see below), whose sum is σ = 2438765280. Its totient is φ = 367027200.

The previous prime is 1000252751. The next prime is 1000252787. The reversal of 1000252760 is 672520001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78860 + ... + 90660.

Almost surely, 2^1000252760 is an apocalyptic number.

1000252760 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 1000252760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219382640).

1000252760 is an abundant number, since it is smaller than the sum of its proper divisors (1438512520).

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

1000252760 is a wasteful number, since it uses less digits than its factorization.

1000252760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11988 (or 11984 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1000252760 is about 31626.7728356846. The cubic root of 1000252760 is about 1000.0842462357.

Adding to 1000252760 its reverse (672520001), we get a palindrome (1672772761).

The spelling of 1000252760 in words is "one billion, two hundred fifty-two thousand, seven hundred sixty".