121332089 has 2 divisors, whose sum is σ = 121332090. Its totient is φ = 121332088.

The previous prime is 121332049. The next prime is 121332121. The reversal of 121332089 is 980233121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121176064 + 156025 = 11008^2 + 395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121332089 is a prime.

It is a super-2 number, since 2×121332089² = 29442951642207842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121332019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666044 + 60666045.

It is an arithmetic number, because the mean of its divisors is an integer number (60666045).

Almost surely, 2^121332089 is an apocalyptic number.

It is an amenable number.

121332089 is a deficient number, since it is larger than the sum of its proper divisors (1).

121332089 is an equidigital number, since it uses as much as digits as its factorization.

121332089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 121332089 is about 11015.0846115679. The cubic root of 121332089 is about 495.0608216935.

The spelling of 121332089 in words is "one hundred twenty-one million, three hundred thirty-two thousand, eighty-nine".