121594147 has 2 divisors, whose sum is σ = 121594148. Its totient is φ = 121594146.

The previous prime is 121594141. The next prime is 121594159. The reversal of 121594147 is 741495121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121594147 - 2⁷ = 121594019 is a prime.

It is not a weakly prime, because it can be changed into another prime (121594141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60797073 + 60797074.

It is an arithmetic number, because the mean of its divisors is an integer number (60797074).

Almost surely, 2^121594147 is an apocalyptic number.

121594147 is a deficient number, since it is larger than the sum of its proper divisors (1).

121594147 is an equidigital number, since it uses as much as digits as its factorization.

121594147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 121594147 is about 11026.9736101979. The cubic root of 121594147 is about 495.4169829248.

The spelling of 121594147 in words is "one hundred twenty-one million, five hundred ninety-four thousand, one hundred forty-seven".