1121260343643 has 24 divisors (see below), whose sum is σ = 1859825772480. Its totient is φ = 643785842160.

The previous prime is 1121260343641. The next prime is 1121260343657. The reversal of 1121260343643 is 3463430621211.

1121260343643 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 2 + 6 + 0 + 3 + 4 + 3 + 643 = 666.

It is not a de Polignac number, because 1121260343643 - 2¹ = 1121260343641 is a prime.

It is a super-3 number, since 3×1121260343643³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1121260343598 and 1121260343607.

It is not an unprimeable number, because it can be changed into a prime (1121260343641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298047121 + ... + 298050882.

It is an arithmetic number, because the mean of its divisors is an integer number (77492740520).

Almost surely, 2^{1121260343643} is an apocalyptic number.

1121260343643 is a deficient number, since it is larger than the sum of its proper divisors (738565428837).

1121260343643 is a wasteful number, since it uses less digits than its factorization.

1121260343643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596098039 (or 596098036 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 1121260343643 its reverse (3463430621211), we get a palindrome (4584690964854).

The spelling of 1121260343643 in words is "one trillion, one hundred twenty-one billion, two hundred sixty million, three hundred forty-three thousand, six hundred forty-three".