121340344 has 16 divisors (see below), whose sum is σ = 231370200. Its totient is φ = 59641632.

The previous prime is 121340299. The next prime is 121340347. The reversal of 121340344 is 443043121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128067 + ... + 129010.

Almost surely, 2^121340344 is an apocalyptic number.

It is an amenable number.

121340344 is a deficient number, since it is larger than the sum of its proper divisors (110029856).

121340344 is a wasteful number, since it uses less digits than its factorization.

121340344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257142 (or 257138 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 121340344 is about 11015.4593186122. The cubic root of 121340344 is about 495.0720488262.

Adding to 121340344 its reverse (443043121), we get a palindrome (564383465).

The spelling of 121340344 in words is "one hundred twenty-one million, three hundred forty thousand, three hundred forty-four".