1260118000 has 80 divisors (see below), whose sum is σ = 3207428640. Its totient is φ = 477504000.

The previous prime is 1260117973. The next prime is 1260118049. The reversal of 1260118000 is 8110621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21420 + ... + 54580.

It is an arithmetic number, because the mean of its divisors is an integer number (40092858).

Almost surely, 2^1260118000 is an apocalyptic number.

1260118000 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 1260118000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603714320).

1260118000 is an abundant number, since it is smaller than the sum of its proper divisors (1947310640).

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

1260118000 is a wasteful number, since it uses less digits than its factorization.

1260118000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33203 (or 33187 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1260118000 is about 35498.1407963854. The cubic root of 1260118000 is about 1080.1160140576.

Adding to 1260118000 its reverse (8110621), we get a palindrome (1268228621).

The spelling of 1260118000 in words is "one billion, two hundred sixty million, one hundred eighteen thousand".