1250873280 has 140 divisors (see below), whose sum is σ = 4449668520. Its totient is φ = 333559296.

The previous prime is 1250873263. The next prime is 1250873287. The reversal of 1250873280 is 823780521.

1250873280 is a `hidden beast` number, since 1 + 2 + 508 + 73 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250873287) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1791 + ... + 50049.

Almost surely, 2^1250873280 is an apocalyptic number.

1250873280 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 1250873280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224834260).

1250873280 is an abundant number, since it is smaller than the sum of its proper divisors (3198795240).

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

1250873280 is an equidigital number, since it uses as much as digits as its factorization.

1250873280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48288 (or 48269 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1250873280 is about 35367.6869472687. The cubic root of 1250873280 is about 1077.4681432506.

The spelling of 1250873280 in words is "one billion, two hundred fifty million, eight hundred seventy-three thousand, two hundred eighty".