1250006000 has 80 divisors (see below), whose sum is σ = 3049813728. Its totient is φ = 495488000.

The previous prime is 1250005973. The next prime is 1250006059. The reversal of 1250006000 is 6000521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 223235 + ... + 228765.

Almost surely, 2^1250006000 is an apocalyptic number.

1250006000 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 1250006000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524906864).

1250006000 is an abundant number, since it is smaller than the sum of its proper divisors (1799807728).

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

1250006000 is a wasteful number, since it uses less digits than its factorization.

1250006000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667 (or 5651 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1250006000 is about 35355.4239120393. The cubic root of 1250006000 is about 1077.2190685609.

Adding to 1250006000 its reverse (6000521), we get a palindrome (1256006521).

The spelling of 1250006000 in words is "one billion, two hundred fifty million, six thousand".