150121273 has 2 divisors, whose sum is σ = 150121274. Its totient is φ = 150121272.

The previous prime is 150121267. The next prime is 150121277. The reversal of 150121273 is 372121051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105124009 + 44997264 = 10253^2 + 6708^2 .

It is an emirp because it is prime and its reverse (372121051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150121273 - 2⁵ = 150121241 is a prime.

It is not a weakly prime, because it can be changed into another prime (150121277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75060636 + 75060637.

It is an arithmetic number, because the mean of its divisors is an integer number (75060637).

Almost surely, 2^150121273 is an apocalyptic number.

It is an amenable number.

150121273 is a deficient number, since it is larger than the sum of its proper divisors (1).

150121273 is an equidigital number, since it uses as much as digits as its factorization.

150121273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 150121273 is about 12252.3986631190. The cubic root of 150121273 is about 531.4724369001.

The spelling of 150121273 in words is "one hundred fifty million, one hundred twenty-one thousand, two hundred seventy-three".