1331042020124 has 36 divisors (see below), whose sum is σ = 2419461904104. Its totient is φ = 640257729408.

The previous prime is 1331042020111. The next prime is 1331042020141. The reversal of 1331042020124 is 4210202401331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331042020124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604607 + ... + 1740009.

It is an arithmetic number, because the mean of its divisors is an integer number (67207275114).

Almost surely, 2^{1331042020124} is an apocalyptic number.

It is an amenable number.

1331042020124 is a deficient number, since it is larger than the sum of its proper divisors (1088419883980).

1331042020124 is a wasteful number, since it uses less digits than its factorization.

1331042020124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135622 (or 1135531 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1331042020124 its reverse (4210202401331), we get a palindrome (5541244421455).

The spelling of 1331042020124 in words is "one trillion, three hundred thirty-one billion, forty-two million, twenty thousand, one hundred twenty-four".