121468009 has 16 divisors (see below), whose sum is σ = 138983040. Its totient is φ = 105166080.

The previous prime is 121467977. The next prime is 121468021. The reversal of 121468009 is 900864121.

It is a happy number.

It is not a de Polignac number, because 121468009 - 2⁵ = 121467977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121468049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78574 + ... + 80104.

It is an arithmetic number, because the mean of its divisors is an integer number (8686440).

Almost surely, 2^121468009 is an apocalyptic number.

It is an amenable number.

121468009 is a deficient number, since it is larger than the sum of its proper divisors (17515031).

121468009 is a wasteful number, since it uses less digits than its factorization.

121468009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 121468009 is about 11021.2526057613. The cubic root of 121468009 is about 495.2456135782.

The spelling of 121468009 in words is "one hundred twenty-one million, four hundred sixty-eight thousand, nine".