1306124261620 has 48 divisors (see below), whose sum is σ = 2745862834176. Its totient is φ = 521878176000.

The previous prime is 1306124261599. The next prime is 1306124261711. The reversal of 1306124261620 is 261624216031.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 142569840 + ... + 142579000.

It is an arithmetic number, because the mean of its divisors is an integer number (57205475712).

Almost surely, 2^{1306124261620} is an apocalyptic number.

1306124261620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306124261620 is an abundant number, since it is smaller than the sum of its proper divisors (1439738572556).

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

1306124261620 is a wasteful number, since it uses less digits than its factorization.

1306124261620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16192 (or 16190 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 1306124261620 its reverse (261624216031), we get a palindrome (1567748477651).

The spelling of 1306124261620 in words is "one trillion, three hundred six billion, one hundred twenty-four million, two hundred sixty-one thousand, six hundred twenty".