121052542669 has 2 divisors, whose sum is σ = 121052542670. Its totient is φ = 121052542668.

The previous prime is 121052542489. The next prime is 121052542679. The reversal of 121052542669 is 966245250121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120652022500 + 400520169 = 347350^2 + 20013^2 .

It is a cyclic number.

It is not a de Polignac number, because 121052542669 - 2¹¹ = 121052540621 is a prime.

It is a super-2 number, since 2×121052542669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121052542679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60526271334 + 60526271335.

It is an arithmetic number, because the mean of its divisors is an integer number (60526271335).

Almost surely, 2^121052542669 is an apocalyptic number.

It is an amenable number.

121052542669 is a deficient number, since it is larger than the sum of its proper divisors (1).

121052542669 is an equidigital number, since it uses as much as digits as its factorization.

121052542669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 121052542669 in words is "one hundred twenty-one billion, fifty-two million, five hundred forty-two thousand, six hundred sixty-nine".