121646743 has 2 divisors, whose sum is σ = 121646744. Its totient is φ = 121646742.

The previous prime is 121646711. The next prime is 121646753. The reversal of 121646743 is 347646121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121646743 - 2⁵ = 121646711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121646699 and 121646708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121646753) 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 as a sum of consecutive naturals, namely, 60823371 + 60823372.

It is an arithmetic number, because the mean of its divisors is an integer number (60823372).

Almost surely, 2^121646743 is an apocalyptic number.

121646743 is a deficient number, since it is larger than the sum of its proper divisors (1).

121646743 is an equidigital number, since it uses as much as digits as its factorization.

121646743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 121646743 is about 11029.3582315564. The cubic root of 121646743 is about 495.4884041135.

The spelling of 121646743 in words is "one hundred twenty-one million, six hundred forty-six thousand, seven hundred forty-three".