1260099360 has 288 divisors, whose sum is σ = 4692437568. Its totient is φ = 306063360.

The previous prime is 1260099341. The next prime is 1260099383. The reversal of 1260099360 is 639900621.

1260099360 is a `hidden beast` number, since 12 + 600 + 9 + 9 + 36 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1553355 + ... + 1554165.

It is an arithmetic number, because the mean of its divisors is an integer number (16293186).

Almost surely, 2^1260099360 is an apocalyptic number.

1260099360 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 1260099360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346218784).

1260099360 is an abundant number, since it is smaller than the sum of its proper divisors (3432338208).

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

1260099360 is a wasteful number, since it uses less digits than its factorization.

1260099360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 1260099360 is about 35497.8782464530. The cubic root of 1260099360 is about 1080.1106882437.

Adding to 1260099360 its reverse (639900621), we get a palindrome (1899999981).

The spelling of 1260099360 in words is "one billion, two hundred sixty million, ninety-nine thousand, three hundred sixty".