150121157 has 2 divisors, whose sum is σ = 150121158. Its totient is φ = 150121156.

The previous prime is 150121151. The next prime is 150121211. The reversal of 150121157 is 751121051.

150121157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145902241 + 4218916 = 12079^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 150121157 - 2¹² = 150117061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150121151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75060578 + 75060579.

It is an arithmetic number, because the mean of its divisors is an integer number (75060579).

Almost surely, 2^150121157 is an apocalyptic number.

It is an amenable number.

150121157 is a deficient number, since it is larger than the sum of its proper divisors (1).

150121157 is an equidigital number, since it uses as much as digits as its factorization.

150121157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 150121157 is about 12252.3939293511. The cubic root of 150121157 is about 531.4723000089.

The spelling of 150121157 in words is "one hundred fifty million, one hundred twenty-one thousand, one hundred fifty-seven".