1301123351660 has 96 divisors (see below), whose sum is σ = 3001641753600. Its totient is φ = 469827952640.

The previous prime is 1301123351629. The next prime is 1301123351681. The reversal of 1301123351660 is 661533211031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28291244 + ... + 28337196.

It is an arithmetic number, because the mean of its divisors is an integer number (31267101600).

Almost surely, 2^{1301123351660} is an apocalyptic number.

1301123351660 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 1301123351660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500820876800).

1301123351660 is an abundant number, since it is smaller than the sum of its proper divisors (1700518401940).

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

1301123351660 is a wasteful number, since it uses less digits than its factorization.

1301123351660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46871 (or 46869 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 1301123351660 its reverse (661533211031), we get a palindrome (1962656562691).

The spelling of 1301123351660 in words is "one trillion, three hundred one billion, one hundred twenty-three million, three hundred fifty-one thousand, six hundred sixty".