150121513 has 2 divisors, whose sum is σ = 150121514. Its totient is φ = 150121512.

The previous prime is 150121501. The next prime is 150121537. The reversal of 150121513 is 315121051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149523984 + 597529 = 12228^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 150121513 - 2¹³ = 150113321 is a prime.

It is not a weakly prime, because it can be changed into another prime (150721513) 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, 75060756 + 75060757.

It is an arithmetic number, because the mean of its divisors is an integer number (75060757).

Almost surely, 2^150121513 is an apocalyptic number.

It is an amenable number.

150121513 is a deficient number, since it is larger than the sum of its proper divisors (1).

150121513 is an equidigital number, since it uses as much as digits as its factorization.

150121513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 150121513 is about 12252.4084571157. The cubic root of 150121513 is about 531.4727201229.

Adding to 150121513 its reverse (315121051), we get a palindrome (465242564).

The spelling of 150121513 in words is "one hundred fifty million, one hundred twenty-one thousand, five hundred thirteen".