121967500133 has 2 divisors, whose sum is σ = 121967500134. Its totient is φ = 121967500132.

The previous prime is 121967500073. The next prime is 121967500169. The reversal of 121967500133 is 331005769121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75973550689 + 45993949444 = 275633^2 + 214462^2 .

It is a cyclic number.

It is not a de Polignac number, because 121967500133 - 2⁸ = 121967499877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121967500933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60983750066 + 60983750067.

It is an arithmetic number, because the mean of its divisors is an integer number (60983750067).

Almost surely, 2^121967500133 is an apocalyptic number.

It is an amenable number.

121967500133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121967500133 is an equidigital number, since it uses as much as digits as its factorization.

121967500133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 121967500133 in words is "one hundred twenty-one billion, nine hundred sixty-seven million, five hundred thousand, one hundred thirty-three".