121944763 has 2 divisors, whose sum is σ = 121944764. Its totient is φ = 121944762.

The previous prime is 121944751. The next prime is 121944787. The reversal of 121944763 is 367449121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121944763 is a prime.

It is not a weakly prime, because it can be changed into another prime (121984763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60972381 + 60972382.

It is an arithmetic number, because the mean of its divisors is an integer number (60972382).

Almost surely, 2^121944763 is an apocalyptic number.

121944763 is a deficient number, since it is larger than the sum of its proper divisors (1).

121944763 is an equidigital number, since it uses as much as digits as its factorization.

121944763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 121944763 is about 11042.8602725924. The cubic root of 121944763 is about 495.8927032801.

The spelling of 121944763 in words is "one hundred twenty-one million, nine hundred forty-four thousand, seven hundred sixty-three".