121795308 has 18 divisors (see below), whose sum is σ = 307871564. Its totient is φ = 40598424.

The previous prime is 121795277. The next prime is 121795309. The reversal of 121795308 is 803597121.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3383203 = 121795308 / (1 + 2 + 1 + 7 + 9 + 5 + 3 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (121795309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1691566 + ... + 1691637.

Almost surely, 2^121795308 is an apocalyptic number.

121795308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121795308 is an abundant number, since it is smaller than the sum of its proper divisors (186076256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121795308 is a wasteful number, since it uses less digits than its factorization.

121795308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383213 (or 3383208 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 121795308 is about 11036.0911558396. The cubic root of 121795308 is about 495.6900324409.

The spelling of 121795308 in words is "one hundred twenty-one million, seven hundred ninety-five thousand, three hundred eight".