122656467 has 8 divisors (see below), whose sum is σ = 164276224. Its totient is φ = 81403848.

The previous prime is 122656459. The next prime is 122656483. The reversal of 122656467 is 764656221.

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

It is not a de Polignac number, because 122656467 - 2³ = 122656459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122656067) 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 in 7 ways as a sum of consecutive naturals, for example, 91003 + ... + 92340.

It is an arithmetic number, because the mean of its divisors is an integer number (20534528).

Almost surely, 2^122656467 is an apocalyptic number.

122656467 is a deficient number, since it is larger than the sum of its proper divisors (41619757).

122656467 is a wasteful number, since it uses less digits than its factorization.

122656467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183569.

The product of its digits is 120960, while the sum is 39.

The square root of 122656467 is about 11075.0380134788. The cubic root of 122656467 is about 496.8555557282.

The spelling of 122656467 in words is "one hundred twenty-two million, six hundred fifty-six thousand, four hundred sixty-seven".