122345669 has 2 divisors, whose sum is σ = 122345670. Its totient is φ = 122345668.

The previous prime is 122345647. The next prime is 122345761. The reversal of 122345669 is 966543221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98208100 + 24137569 = 9910^2 + 4913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122345669 is a prime.

It is a super-2 number, since 2×122345669² = 29936925446115122, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122345609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61172834 + 61172835.

It is an arithmetic number, because the mean of its divisors is an integer number (61172835).

Almost surely, 2^122345669 is an apocalyptic number.

It is an amenable number.

122345669 is a deficient number, since it is larger than the sum of its proper divisors (1).

122345669 is an equidigital number, since it uses as much as digits as its factorization.

122345669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 122345669 is about 11060.9976493985. The cubic root of 122345669 is about 496.4355416571.

The spelling of 122345669 in words is "one hundred twenty-two million, three hundred forty-five thousand, six hundred sixty-nine".