121795385 has 4 divisors (see below), whose sum is σ = 146154468. Its totient is φ = 97436304.

The previous prime is 121795357. The next prime is 121795403. The reversal of 121795385 is 583597121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583597121 = 137 ⋅4259833.

It can be written as a sum of positive squares in 2 ways, for example, as 60031504 + 61763881 = 7748^2 + 7859^2 .

It is a cyclic number.

It is not a de Polignac number, because 121795385 - 2⁶ = 121795321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12179534 + ... + 12179543.

It is an arithmetic number, because the mean of its divisors is an integer number (36538617).

Almost surely, 2^121795385 is an apocalyptic number.

It is an amenable number.

121795385 is a deficient number, since it is larger than the sum of its proper divisors (24359083).

121795385 is an equidigital number, since it uses as much as digits as its factorization.

121795385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24359082.

The product of its digits is 75600, while the sum is 41.

The square root of 121795385 is about 11036.0946443930. The cubic root of 121795385 is about 495.6901369006.

The spelling of 121795385 in words is "one hundred twenty-one million, seven hundred ninety-five thousand, three hundred eighty-five".