121952953 has 2 divisors, whose sum is σ = 121952954. Its totient is φ = 121952952.

The previous prime is 121952933. The next prime is 121953023. The reversal of 121952953 is 359259121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115842169 + 6110784 = 10763^2 + 2472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121952953 is a prime.

It is not a weakly prime, because it can be changed into another prime (121952933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60976476 + 60976477.

It is an arithmetic number, because the mean of its divisors is an integer number (60976477).

Almost surely, 2^121952953 is an apocalyptic number.

It is an amenable number.

121952953 is a deficient number, since it is larger than the sum of its proper divisors (1).

121952953 is an equidigital number, since it uses as much as digits as its factorization.

121952953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 37.

The square root of 121952953 is about 11043.2310942043. The cubic root of 121952953 is about 495.9038046734.

The spelling of 121952953 in words is "one hundred twenty-one million, nine hundred fifty-two thousand, nine hundred fifty-three".