121426610153 has 2 divisors, whose sum is σ = 121426610154. Its totient is φ = 121426610152.

The previous prime is 121426610093. The next prime is 121426610177. The reversal of 121426610153 is 351016624121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67585440784 + 53841169369 = 259972^2 + 232037^2 .

It is a cyclic number.

It is not a de Polignac number, because 121426610153 - 2⁶ = 121426610089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121426610453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60713305076 + 60713305077.

It is an arithmetic number, because the mean of its divisors is an integer number (60713305077).

Almost surely, 2^121426610153 is an apocalyptic number.

It is an amenable number.

121426610153 is a deficient number, since it is larger than the sum of its proper divisors (1).

121426610153 is an equidigital number, since it uses as much as digits as its factorization.

121426610153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 121426610153 in words is "one hundred twenty-one billion, four hundred twenty-six million, six hundred ten thousand, one hundred fifty-three".