121242095 has 8 divisors (see below), whose sum is σ = 156682176. Its totient is φ = 89532576.

The previous prime is 121242083. The next prime is 121242101. The reversal of 121242095 is 590242121.

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 121242095 - 2¹⁸ = 120979951 is a prime.

It is a Duffinian number.

It is a congruent 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, 932567 + ... + 932696.

It is an arithmetic number, because the mean of its divisors is an integer number (19585272).

Almost surely, 2^121242095 is an apocalyptic number.

121242095 is a deficient number, since it is larger than the sum of its proper divisors (35440081).

121242095 is a wasteful number, since it uses less digits than its factorization.

121242095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865281.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 121242095 is about 11010.9988193624. The cubic root of 121242095 is about 494.9383931763.

Adding to 121242095 its sum of digits (26), we get a palindrome (121242121).

The spelling of 121242095 in words is "one hundred twenty-one million, two hundred forty-two thousand, ninety-five".