121340104 has 8 divisors (see below), whose sum is σ = 227512710. Its totient is φ = 60670048.

The previous prime is 121340083. The next prime is 121340117. The reversal of 121340104 is 401043121.

It can be written as a sum of positive squares in only one way, i.e., 117722500 + 3617604 = 10850^2 + 1902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7583749 + ... + 7583764.

Almost surely, 2^121340104 is an apocalyptic number.

It is an amenable number.

121340104 is a deficient number, since it is larger than the sum of its proper divisors (106172606).

121340104 is a wasteful number, since it uses less digits than its factorization.

121340104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167519 (or 15167515 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121340104 is about 11015.4484248259. The cubic root of 121340104 is about 495.0717224237.

Adding to 121340104 its reverse (401043121), we get a palindrome (522383225).

The spelling of 121340104 in words is "one hundred twenty-one million, three hundred forty thousand, one hundred four".