122649701 has 2 divisors, whose sum is σ = 122649702. Its totient is φ = 122649700.

The previous prime is 122649697. The next prime is 122649707. The reversal of 122649701 is 107946221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 12609601 = 10490^2 + 3551^2 .

It is an emirp because it is prime and its reverse (107946221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122649701 - 2² = 122649697 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122649707) 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, 61324850 + 61324851.

It is an arithmetic number, because the mean of its divisors is an integer number (61324851).

Almost surely, 2^122649701 is an apocalyptic number.

It is an amenable number.

122649701 is a deficient number, since it is larger than the sum of its proper divisors (1).

122649701 is an equidigital number, since it uses as much as digits as its factorization.

122649701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 122649701 is about 11074.7325475607. The cubic root of 122649701 is about 496.8464196791.

The spelling of 122649701 in words is "one hundred twenty-two million, six hundred forty-nine thousand, seven hundred one".