1250720296 has 96 divisors (see below), whose sum is σ = 2964729600. Its totient is φ = 491339520.

The previous prime is 1250720279. The next prime is 1250720297. The reversal of 1250720296 is 6920270521.

It is not an unprimeable number, because it can be changed into a prime (1250720297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228180 + ... + 233596.

It is an arithmetic number, because the mean of its divisors is an integer number (30882600).

Almost surely, 2^1250720296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1250720296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482364800).

1250720296 is an abundant number, since it is smaller than the sum of its proper divisors (1714009304).

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

1250720296 is a wasteful number, since it uses less digits than its factorization.

1250720296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487 (or 5476 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1250720296 is about 35365.5241160088. The cubic root of 1250720296 is about 1077.4242160441.

The spelling of 1250720296 in words is "one billion, two hundred fifty million, seven hundred twenty thousand, two hundred ninety-six".