121627705 has 8 divisors (see below), whose sum is σ = 146215872. Its totient is φ = 97127088.

The previous prime is 121627697. The next prime is 121627729. The reversal of 121627705 is 507726121.

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 121627705 - 2³ = 121627697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 18789 + ... + 24418.

It is an arithmetic number, because the mean of its divisors is an integer number (18276984).

Almost surely, 2^121627705 is an apocalyptic number.

It is an amenable number.

121627705 is a deficient number, since it is larger than the sum of its proper divisors (24588167).

121627705 is an equidigital number, since it uses as much as digits as its factorization.

121627705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43775.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 121627705 is about 11028.4951375970. The cubic root of 121627705 is about 495.4625543999.

The spelling of 121627705 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, seven hundred five".