1290360000 has 140 divisors (see below), whose sum is σ = 4266627992. Its totient is φ = 344064000.

The previous prime is 1290359957. The next prime is 1290360011. The reversal of 1290360000 is 630921.

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 19 ways as a sum of consecutive naturals, for example, 114624 + ... + 125376.

Almost surely, 2^1290360000 is an apocalyptic number.

1290360000 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 1290360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133313996).

1290360000 is an abundant number, since it is smaller than the sum of its proper divisors (2976267992).

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

1290360000 is an equidigital number, since it uses as much as digits as its factorization.

1290360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788 (or 10763 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1290360000 is about 35921.5812569547. The cubic root of 1290360000 is about 1088.6884879632.

Adding to 1290360000 its reverse (630921), we get a palindrome (1290990921).

The spelling of 1290360000 in words is "one billion, two hundred ninety million, three hundred sixty thousand".