122347501 has 2 divisors, whose sum is σ = 122347502. Its totient is φ = 122347500.

The previous prime is 122347457. The next prime is 122347523. The reversal of 122347501 is 105743221.

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., 106626276 + 15721225 = 10326^2 + 3965^2 .

It is an emirp because it is prime and its reverse (105743221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122347501 - 2⁹ = 122346989 is a prime.

It is a super-2 number, since 2×122347501² = 29937822001890002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122347531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61173750 + 61173751.

It is an arithmetic number, because the mean of its divisors is an integer number (61173751).

Almost surely, 2^122347501 is an apocalyptic number.

It is an amenable number.

122347501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122347501 is an equidigital number, since it uses as much as digits as its factorization.

122347501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 122347501 is about 11061.0804625950. The cubic root of 122347501 is about 496.4380195145.

The spelling of 122347501 in words is "one hundred twenty-two million, three hundred forty-seven thousand, five hundred one".