121950473 has 2 divisors, whose sum is σ = 121950474. Its totient is φ = 121950472.

The previous prime is 121950461. The next prime is 121950487. The reversal of 121950473 is 374059121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112635769 + 9314704 = 10613^2 + 3052^2 .

It is an emirp because it is prime and its reverse (374059121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121950473 - 2⁴ = 121950457 is a prime.

It is not a weakly prime, because it can be changed into another prime (121950443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60975236 + 60975237.

It is an arithmetic number, because the mean of its divisors is an integer number (60975237).

Almost surely, 2^121950473 is an apocalyptic number.

It is an amenable number.

121950473 is a deficient number, since it is larger than the sum of its proper divisors (1).

121950473 is an equidigital number, since it uses as much as digits as its factorization.

121950473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 121950473 is about 11043.1188076557. The cubic root of 121950473 is about 495.9004431318.

The spelling of 121950473 in words is "one hundred twenty-one million, nine hundred fifty thousand, four hundred seventy-three".