1260811164 has 12 divisors (see below), whose sum is σ = 2941892744. Its totient is φ = 420270384.

The previous prime is 1260811147. The next prime is 1260811219. The reversal of 1260811164 is 4611180621.

1260811164 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52533787 + ... + 52533810.

Almost surely, 2^1260811164 is an apocalyptic number.

It is an amenable number.

1260811164 is an abundant number, since it is smaller than the sum of its proper divisors (1681081580).

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

1260811164 is a wasteful number, since it uses less digits than its factorization.

1260811164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105067604 (or 105067602 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1260811164 is about 35507.9028386640. The cubic root of 1260811164 is about 1080.3140273384.

Adding to 1260811164 its reverse (4611180621), we get a palindrome (5871991785).

The spelling of 1260811164 in words is "one billion, two hundred sixty million, eight hundred eleven thousand, one hundred sixty-four".