122456669 has 8 divisors (see below), whose sum is σ = 128321280. Its totient is φ = 116637136.

The previous prime is 122456617. The next prime is 122456687. The reversal of 122456669 is 966654221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122456669 is a prime.

It is a super-2 number, since 2×122456669² = 29991271565151122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122459669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5642 + ... + 16635.

It is an arithmetic number, because the mean of its divisors is an integer number (16040160).

Almost surely, 2^122456669 is an apocalyptic number.

It is an amenable number.

122456669 is a deficient number, since it is larger than the sum of its proper divisors (5864611).

122456669 is a wasteful number, since it uses less digits than its factorization.

122456669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22539.

The product of its digits is 155520, while the sum is 41.

The square root of 122456669 is about 11066.0141424092. The cubic root of 122456669 is about 496.5856292170.

The spelling of 122456669 in words is "one hundred twenty-two million, four hundred fifty-six thousand, six hundred sixty-nine".