121492195 has 8 divisors (see below), whose sum is σ = 159044400. Its totient is φ = 88357920.

The previous prime is 121492181. The next prime is 121492199. The reversal of 121492195 is 591294121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121492195 - 2²³ = 113103587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121492195.

It is not an unprimeable number, because it can be changed into a prime (121492199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104420 + ... + 1104529.

It is an arithmetic number, because the mean of its divisors is an integer number (19880550).

Almost surely, 2^121492195 is an apocalyptic number.

121492195 is a deficient number, since it is larger than the sum of its proper divisors (37552205).

121492195 is a wasteful number, since it uses less digits than its factorization.

121492195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208965.

The product of its digits is 6480, while the sum is 34.

The square root of 121492195 is about 11022.3497948486. The cubic root of 121492195 is about 495.2784815342.

It can be divided in two parts, 121 and 492195, that multiplied together give a palindrome (59555595).

The spelling of 121492195 in words is "one hundred twenty-one million, four hundred ninety-two thousand, one hundred ninety-five".