146950121 has 2 divisors, whose sum is σ = 146950122. Its totient is φ = 146950120.

The previous prime is 146950117. The next prime is 146950129. The reversal of 146950121 is 121059641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96255721 + 50694400 = 9811^2 + 7120^2 .

It is an emirp because it is prime and its reverse (121059641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146950121 - 2² = 146950117 is a prime.

It is a super-3 number, since 3×146950121³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146950129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73475060 + 73475061.

It is an arithmetic number, because the mean of its divisors is an integer number (73475061).

Almost surely, 2^146950121 is an apocalyptic number.

It is an amenable number.

146950121 is a deficient number, since it is larger than the sum of its proper divisors (1).

146950121 is an equidigital number, since it uses as much as digits as its factorization.

146950121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 146950121 is about 12122.2985031717. The cubic root of 146950121 is about 527.7035097450.

The spelling of 146950121 in words is "one hundred forty-six million, nine hundred fifty thousand, one hundred twenty-one".