121795027 has 4 divisors (see below), whose sum is σ = 121818600. Its totient is φ = 121771456.

The previous prime is 121795013. The next prime is 121795087. The reversal of 121795027 is 720597121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720597121 = 137 ⋅5259833.

It is a cyclic number.

It is not a de Polignac number, because 121795027 - 2⁷ = 121794899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121794983 and 121795001.

It is not an unprimeable number, because it can be changed into a prime (121795087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313 + ... + 15610.

It is an arithmetic number, because the mean of its divisors is an integer number (30454650).

Almost surely, 2^121795027 is an apocalyptic number.

121795027 is a deficient number, since it is larger than the sum of its proper divisors (23573).

121795027 is an equidigital number, since it uses as much as digits as its factorization.

121795027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23572.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 121795027 is about 11036.0784248754. The cubic root of 121795027 is about 495.6896512302.

The spelling of 121795027 in words is "one hundred twenty-one million, seven hundred ninety-five thousand, twenty-seven".