1260211008 has 336 divisors, whose sum is σ = 4169664000. Its totient is φ = 334172160.

The previous prime is 1260210989. The next prime is 1260211049. The reversal of 1260211008 is 8001120621.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (21).

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 47 ways as a sum of consecutive naturals, for example, 8457718 + ... + 8457866.

Almost surely, 2^1260211008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260211008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084832000).

1260211008 is an abundant number, since it is smaller than the sum of its proper divisors (2909452992).

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

1260211008 is a wasteful number, since it uses less digits than its factorization.

1260211008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1260211008 is about 35499.4508126534. The cubic root of 1260211008 is about 1080.1425874840.

Adding to 1260211008 its reverse (8001120621), we get a palindrome (9261331629).

The spelling of 1260211008 in words is "one billion, two hundred sixty million, two hundred eleven thousand, eight".