1250080000 has 180 divisors, whose sum is σ = 3363538948. Its totient is φ = 460800000.

The previous prime is 1250079983. The next prime is 1250080021. The reversal of 1250080000 is 800521.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 969450496 + 280629504 = 31136^2 + 16752^2 .

It is a sliding number, since 1250080000 = 80000 + 1250000000 and 1/80000 + 1/1250000000 = 0.00001250080000.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2079700 + ... + 2080300.

Almost surely, 2^1250080000 is an apocalyptic number.

1250080000 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 1250080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681769474).

1250080000 is an abundant number, since it is smaller than the sum of its proper divisors (2113458948).

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

1250080000 is an frugal number, since it uses more digits than its factorization.

1250080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1250080000 is about 35356.4704120759. The cubic root of 1250080000 is about 1077.2403251624.

Adding to 1250080000 its reverse (800521), we get a palindrome (1250880521).

It can be divided in two parts, 12500 and 80000, that multiplied together give a 9-th power (1000000000 = 10⁹).

The spelling of 1250080000 in words is "one billion, two hundred fifty million, eighty thousand".