122054549 has 2 divisors, whose sum is σ = 122054550. Its totient is φ = 122054548.

The previous prime is 122054531. The next prime is 122054573. The reversal of 122054549 is 945450221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94439524 + 27615025 = 9718^2 + 5255^2 .

It is an emirp because it is prime and its reverse (945450221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122054549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122054599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61027274 + 61027275.

It is an arithmetic number, because the mean of its divisors is an integer number (61027275).

Almost surely, 2^122054549 is an apocalyptic number.

It is an amenable number.

122054549 is a deficient number, since it is larger than the sum of its proper divisors (1).

122054549 is an equidigital number, since it uses as much as digits as its factorization.

122054549 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 122054549 is about 11047.8300584323. The cubic root of 122054549 is about 496.0414748639.

The spelling of 122054549 in words is "one hundred twenty-two million, fifty-four thousand, five hundred forty-nine".