121154633 has 2 divisors, whose sum is σ = 121154634. Its totient is φ = 121154632.

The previous prime is 121154611. The next prime is 121154647. The reversal of 121154633 is 336451121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113465104 + 7689529 = 10652^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 121154633 - 2¹⁶ = 121089097 is a prime.

It is not a weakly prime, because it can be changed into another prime (121154233) 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, 60577316 + 60577317.

It is an arithmetic number, because the mean of its divisors is an integer number (60577317).

Almost surely, 2^121154633 is an apocalyptic number.

It is an amenable number.

121154633 is a deficient number, since it is larger than the sum of its proper divisors (1).

121154633 is an equidigital number, since it uses as much as digits as its factorization.

121154633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 121154633 is about 11007.0265285408. The cubic root of 121154633 is about 494.8193511470.

The spelling of 121154633 in words is "one hundred twenty-one million, one hundred fifty-four thousand, six hundred thirty-three".