121445106 has 32 divisors (see below), whose sum is σ = 255052800. Its totient is φ = 38476944.

The previous prime is 121445081. The next prime is 121445111. The reversal of 121445106 is 601544121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19795 + ... + 25193.

It is an arithmetic number, because the mean of its divisors is an integer number (7970400).

Almost surely, 2^121445106 is an apocalyptic number.

121445106 is an abundant number, since it is smaller than the sum of its proper divisors (133607694).

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

121445106 is a wasteful number, since it uses less digits than its factorization.

121445106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 121445106 is about 11020.2135188026. The cubic root of 121445106 is about 495.2144851537.

Adding to 121445106 its reverse (601544121), we get a palindrome (722989227).

The spelling of 121445106 in words is "one hundred twenty-one million, four hundred forty-five thousand, one hundred six".