1285030560 has 192 divisors, whose sum is σ = 4441651200. Its totient is φ = 309703680.

The previous prime is 1285030547. The next prime is 1285030573. The reversal of 1285030560 is 650305821.

It is an interprime number because it is at equal distance from previous prime (1285030547) and next prime (1285030573).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1050109 + ... + 1051331.

It is an arithmetic number, because the mean of its divisors is an integer number (23133600).

Almost surely, 2^1285030560 is an apocalyptic number.

1285030560 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 1285030560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2220825600).

1285030560 is an abundant number, since it is smaller than the sum of its proper divisors (3156620640).

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

1285030560 is a wasteful number, since it uses less digits than its factorization.

1285030560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1285030560 is about 35847.3229125970. The cubic root of 1285030560 is about 1087.1875873639.

The spelling of 1285030560 in words is "one billion, two hundred eighty-five million, thirty thousand, five hundred sixty".