1123675607621 has 16 divisors (see below), whose sum is σ = 1287481650048. Its totient is φ = 960690628800.

The previous prime is 1123675607609. The next prime is 1123675607633. The reversal of 1123675607621 is 1267065763211.

It is an interprime number because it is at equal distance from previous prime (1123675607609) and next prime (1123675607633).

It is not a de Polignac number, because 1123675607621 - 2¹⁴ = 1123675591237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123675607671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18042866 + ... + 18105036.

It is an arithmetic number, because the mean of its divisors is an integer number (80467603128).

Almost surely, 2^{1123675607621} is an apocalyptic number.

It is an amenable number.

1123675607621 is a deficient number, since it is larger than the sum of its proper divisors (163806042427).

1123675607621 is an equidigital number, since it uses as much as digits as its factorization.

1123675607621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68732.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 1123675607621 in words is "one trillion, one hundred twenty-three billion, six hundred seventy-five million, six hundred seven thousand, six hundred twenty-one".