1321145626146 has 16 divisors (see below), whose sum is σ = 2653829644800. Its totient is φ = 438458809968.

The previous prime is 1321145626093. The next prime is 1321145626193. The reversal of 1321145626146 is 6416265411231.

It is a junction number, because it is equal to n+sod(n) for n = 1321145626098 and 1321145626107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480764866 + ... + 480767613.

It is an arithmetic number, because the mean of its divisors is an integer number (165864352800).

Almost surely, 2^{1321145626146} is an apocalyptic number.

1321145626146 is an abundant number, since it is smaller than the sum of its proper divisors (1332684018654).

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

1321145626146 is a wasteful number, since it uses less digits than its factorization.

1321145626146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961532713.

The product of its digits is 207360, while the sum is 42.

The spelling of 1321145626146 in words is "one trillion, three hundred twenty-one billion, one hundred forty-five million, six hundred twenty-six thousand, one hundred forty-six".