1306123446425 has 24 divisors (see below), whose sum is σ = 1896108974592. Its totient is φ = 873782928000.

The previous prime is 1306123446389. The next prime is 1306123446443. The reversal of 1306123446425 is 5246443216031.

It is not a de Polignac number, because 1306123446425 - 2⁶ = 1306123446361 is a prime.

It is a super-2 number, since 2×1306123446425² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91011881 + ... + 91026230.

It is an arithmetic number, because the mean of its divisors is an integer number (79004540608).

Almost surely, 2^{1306123446425} is an apocalyptic number.

It is an amenable number.

1306123446425 is a deficient number, since it is larger than the sum of its proper divisors (589985528167).

1306123446425 is a wasteful number, since it uses less digits than its factorization.

1306123446425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182038169 (or 182038164 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 1306123446425 in words is "one trillion, three hundred six billion, one hundred twenty-three million, four hundred forty-six thousand, four hundred twenty-five".