121153469 has 2 divisors, whose sum is σ = 121153470. Its totient is φ = 121153468.

The previous prime is 121153453. The next prime is 121153493. The reversal of 121153469 is 964351121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91450969 + 29702500 = 9563^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 121153469 - 2⁴ = 121153453 is a prime.

It is a super-2 number, since 2×121153469² = 29356326101467922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121153069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60576734 + 60576735.

It is an arithmetic number, because the mean of its divisors is an integer number (60576735).

Almost surely, 2^121153469 is an apocalyptic number.

It is an amenable number.

121153469 is a deficient number, since it is larger than the sum of its proper divisors (1).

121153469 is an equidigital number, since it uses as much as digits as its factorization.

121153469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 121153469 is about 11006.9736530983. The cubic root of 121153469 is about 494.8177664736.

The spelling of 121153469 in words is "one hundred twenty-one million, one hundred fifty-three thousand, four hundred sixty-nine".