122757105 has 8 divisors (see below), whose sum is σ = 196411392. Its totient is φ = 65470448.

The previous prime is 122757079. The next prime is 122757121. The reversal of 122757105 is 501757221.

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

It is a cyclic number.

It is not a de Polignac number, because 122757105 - 2⁸ = 122756849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4091889 + ... + 4091918.

It is an arithmetic number, because the mean of its divisors is an integer number (24551424).

Almost surely, 2^122757105 is an apocalyptic number.

122757105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122757105 is a deficient number, since it is larger than the sum of its proper divisors (73654287).

122757105 is an equidigital number, since it uses as much as digits as its factorization.

122757105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183815.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 122757105 is about 11079.5805426018. The cubic root of 122757105 is about 496.9914063724.

The spelling of 122757105 in words is "one hundred twenty-two million, seven hundred fifty-seven thousand, one hundred five".