121600147 has 2 divisors, whose sum is σ = 121600148. Its totient is φ = 121600146.

The previous prime is 121600097. The next prime is 121600151. The reversal of 121600147 is 741006121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121600147 - 2¹⁵ = 121567379 is a prime.

It is not a weakly prime, because it can be changed into another prime (121600177) 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, 60800073 + 60800074.

It is an arithmetic number, because the mean of its divisors is an integer number (60800074).

Almost surely, 2^121600147 is an apocalyptic number.

121600147 is a deficient number, since it is larger than the sum of its proper divisors (1).

121600147 is an equidigital number, since it uses as much as digits as its factorization.

121600147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 121600147 is about 11027.2456669832. The cubic root of 121600147 is about 495.4251314887.

Adding to 121600147 its reverse (741006121), we get a palindrome (862606268).

The spelling of 121600147 in words is "one hundred twenty-one million, six hundred thousand, one hundred forty-seven".