151222129 has 2 divisors, whose sum is σ = 151222130. Its totient is φ = 151222128.

The previous prime is 151222087. The next prime is 151222139. The reversal of 151222129 is 921222151.

151222129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129618225 + 21603904 = 11385^2 + 4648^2 .

It is a cyclic number.

It is not a de Polignac number, because 151222129 - 2¹⁵ = 151189361 is a prime.

It is not a weakly prime, because it can be changed into another prime (151222139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75611064 + 75611065.

It is an arithmetic number, because the mean of its divisors is an integer number (75611065).

Almost surely, 2^151222129 is an apocalyptic number.

It is an amenable number.

151222129 is a deficient number, since it is larger than the sum of its proper divisors (1).

151222129 is an equidigital number, since it uses as much as digits as its factorization.

151222129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

The square root of 151222129 is about 12297.2407067602. The cubic root of 151222129 is about 532.7683897614.

The spelling of 151222129 in words is "one hundred fifty-one million, two hundred twenty-two thousand, one hundred twenty-nine".