122045549 has 2 divisors, whose sum is σ = 122045550. Its totient is φ = 122045548.

The previous prime is 122045527. The next prime is 122045557. The reversal of 122045549 is 945540221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115885225 + 6160324 = 10765^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 122045549 - 2⁸ = 122045293 is a prime.

It is a super-2 number, since 2×122045549² = 29790232061422802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122045519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61022774 + 61022775.

It is an arithmetic number, because the mean of its divisors is an integer number (61022775).

Almost surely, 2^122045549 is an apocalyptic number.

It is an amenable number.

122045549 is a deficient number, since it is larger than the sum of its proper divisors (1).

122045549 is an equidigital number, since it uses as much as digits as its factorization.

122045549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 122045549 is about 11047.4227311170. The cubic root of 122045549 is about 496.0292822744.

The spelling of 122045549 in words is "one hundred twenty-two million, forty-five thousand, five hundred forty-nine".