121795492 has 24 divisors (see below), whose sum is σ = 262329536. Its totient is φ = 48182688.

The previous prime is 121795483. The next prime is 121795493. The reversal of 121795492 is 294597121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121795493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166938 + ... + 167665.

Almost surely, 2^121795492 is an apocalyptic number.

It is an amenable number.

121795492 is an abundant number, since it is smaller than the sum of its proper divisors (140534044).

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

121795492 is a wasteful number, since it uses less digits than its factorization.

121795492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334627 (or 334625 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 121795492 is about 11036.0994921213. The cubic root of 121795492 is about 495.6902820589.

It can be divided in two parts, 12179 and 5492, that added together give a palindrome (17671).

The spelling of 121795492 in words is "one hundred twenty-one million, seven hundred ninety-five thousand, four hundred ninety-two".