121829795 has 4 divisors (see below), whose sum is σ = 146195760. Its totient is φ = 97463832.

The previous prime is 121829791. The next prime is 121829797. The reversal of 121829795 is 597928121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 597928121 = 7 ⋅85418303.

It is a cyclic number.

It is not a de Polignac number, because 121829795 - 2² = 121829791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121829791) 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, 12182975 + ... + 12182984.

It is an arithmetic number, because the mean of its divisors is an integer number (36548940).

Almost surely, 2^121829795 is an apocalyptic number.

121829795 is a deficient number, since it is larger than the sum of its proper divisors (24365965).

121829795 is an equidigital number, since it uses as much as digits as its factorization.

121829795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24365964.

The product of its digits is 90720, while the sum is 44.

The square root of 121829795 is about 11037.6535096913. The cubic root of 121829795 is about 495.7368137966.

It can be divided in two parts, 1218 and 29795, that added together give a palindrome (31013).

The spelling of 121829795 in words is "one hundred twenty-one million, eight hundred twenty-nine thousand, seven hundred ninety-five".