150121133 has 2 divisors, whose sum is σ = 150121134. Its totient is φ = 150121132.

The previous prime is 150121129. The next prime is 150121151. The reversal of 150121133 is 331121051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99241444 + 50879689 = 9962^2 + 7133^2 .

It is a cyclic number.

It is not a de Polignac number, because 150121133 - 2² = 150121129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150121333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75060566 + 75060567.

It is an arithmetic number, because the mean of its divisors is an integer number (75060567).

Almost surely, 2^150121133 is an apocalyptic number.

It is an amenable number.

150121133 is a deficient number, since it is larger than the sum of its proper divisors (1).

150121133 is an equidigital number, since it uses as much as digits as its factorization.

150121133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 150121133 is about 12252.3929499506. The cubic root of 150121133 is about 531.4722716866.

Adding to 150121133 its reverse (331121051), we get a palindrome (481242184).

The spelling of 150121133 in words is "one hundred fifty million, one hundred twenty-one thousand, one hundred thirty-three".