121254161705 has 8 divisors (see below), whose sum is σ = 145507361472. Its totient is φ = 97001751088.

The previous prime is 121254161689. The next prime is 121254161729. The reversal of 121254161705 is 507161452121.

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 121254161705 - 2⁴ = 121254161689 is a prime.

It is a Duffinian 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, 221612 + ... + 540018.

It is an arithmetic number, because the mean of its divisors is an integer number (18188420184).

Almost surely, 2^121254161705 is an apocalyptic number.

It is an amenable number.

121254161705 is a deficient number, since it is larger than the sum of its proper divisors (24253199767).

121254161705 is an equidigital number, since it uses as much as digits as its factorization.

121254161705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394575.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 121254161705 in words is "one hundred twenty-one billion, two hundred fifty-four million, one hundred sixty-one thousand, seven hundred five".