1252883720 has 64 divisors (see below), whose sum is σ = 3080557440. Its totient is φ = 454809600.

The previous prime is 1252883717. The next prime is 1252883729. The reversal of 1252883720 is 273882521.

It is not an unprimeable number, because it can be changed into a prime (1252883729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294005 + ... + 298235.

It is an arithmetic number, because the mean of its divisors is an integer number (48133710).

Almost surely, 2^1252883720 is an apocalyptic number.

1252883720 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 1252883720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540278720).

1252883720 is an abundant number, since it is smaller than the sum of its proper divisors (1827673720).

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

1252883720 is a wasteful number, since it uses less digits than its factorization.

1252883720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926 (or 4922 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1252883720 is about 35396.0975250097. The cubic root of 1252883720 is about 1078.0450803406.

The spelling of 1252883720 in words is "one billion, two hundred fifty-two million, eight hundred eighty-three thousand, seven hundred twenty".