1250872320 has 352 divisors, whose sum is σ = 4301254656. Its totient is φ = 309657600.

The previous prime is 1250872313. The next prime is 1250872367. The reversal of 1250872320 is 232780521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17617885 + ... + 17617955.

Almost surely, 2^1250872320 is an apocalyptic number.

1250872320 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 1250872320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2150627328).

1250872320 is an abundant number, since it is smaller than the sum of its proper divisors (3050382336).

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

1250872320 is a wasteful number, since it uses less digits than its factorization.

1250872320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1250872320 is about 35367.6733755558. The cubic root of 1250872320 is about 1077.4678676113.

The spelling of 1250872320 in words is "one billion, two hundred fifty million, eight hundred seventy-two thousand, three hundred twenty".