122150429 has 2 divisors, whose sum is σ = 122150430. Its totient is φ = 122150428.

The previous prime is 122150383. The next prime is 122150443. The reversal of 122150429 is 924051221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 158404 = 11045^2 + 398^2 .

It is an emirp because it is prime and its reverse (924051221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122150429 - 2²⁰ = 121101853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122150398 and 122150407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122150129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61075214 + 61075215.

It is an arithmetic number, because the mean of its divisors is an integer number (61075215).

Almost surely, 2^122150429 is an apocalyptic number.

It is an amenable number.

122150429 is a deficient number, since it is larger than the sum of its proper divisors (1).

122150429 is an equidigital number, since it uses as much as digits as its factorization.

122150429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 122150429 is about 11052.1685202498. The cubic root of 122150429 is about 496.1713293940.

The spelling of 122150429 in words is "one hundred twenty-two million, one hundred fifty thousand, four hundred twenty-nine".