122082649 has 4 divisors (see below), whose sum is σ = 131473636. Its totient is φ = 112691664.

The previous prime is 122082637. The next prime is 122082659. The reversal of 122082649 is 946280221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79923600 + 42159049 = 8940^2 + 6493^2 .

It is a cyclic number.

It is not a de Polignac number, because 122082649 - 2¹³ = 122074457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122082659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4695474 + ... + 4695499.

It is an arithmetic number, because the mean of its divisors is an integer number (32868409).

Almost surely, 2^122082649 is an apocalyptic number.

It is an amenable number.

122082649 is a deficient number, since it is larger than the sum of its proper divisors (9390987).

122082649 is an equidigital number, since it uses as much as digits as its factorization.

122082649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390986.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 122082649 is about 11049.1017281949. The cubic root of 122082649 is about 496.0795389809.

The spelling of 122082649 in words is "one hundred twenty-two million, eighty-two thousand, six hundred forty-nine".