1421241120260 has 96 divisors (see below), whose sum is σ = 3247286565600. Its totient is φ = 519366758400.

The previous prime is 1421241120259. The next prime is 1421241120269. The reversal of 1421241120260 is 620211421241.

It can be written as a sum of positive squares in 16 ways, for example, as 159667373056 + 1261573747204 = 399584^2 + 1123198^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1421241120269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77956826 + ... + 77975054.

It is an arithmetic number, because the mean of its divisors is an integer number (33825901725).

Almost surely, 2^{1421241120260} is an apocalyptic number.

1421241120260 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 1421241120260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623643282800).

1421241120260 is an abundant number, since it is smaller than the sum of its proper divisors (1826045445340).

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

1421241120260 is a wasteful number, since it uses less digits than its factorization.

1421241120260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21321 (or 21319 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 1421241120260 in words is "one trillion, four hundred twenty-one billion, two hundred forty-one million, one hundred twenty thousand, two hundred sixty".