121340601 has 6 divisors (see below), whose sum is σ = 175269770. Its totient is φ = 80893728.

The previous prime is 121340599. The next prime is 121340627. The reversal of 121340601 is 106043121.

It is a happy number.

121340601 is a `hidden beast` number, since 1 + 21 + 3 + 40 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109746576 + 11594025 = 10476^2 + 3405^2 .

It is not a de Polignac number, because 121340601 - 2¹ = 121340599 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121340641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6741136 + ... + 6741153.

Almost surely, 2^121340601 is an apocalyptic number.

It is an amenable number.

121340601 is a deficient number, since it is larger than the sum of its proper divisors (53929169).

121340601 is a wasteful number, since it uses less digits than its factorization.

121340601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13482295 (or 13482292 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 121340601 is about 11015.4709840297. The cubic root of 121340601 is about 495.0723983484.

Adding to 121340601 its reverse (106043121), we get a palindrome (227383722).

It can be divided in two parts, 1213 and 40601, that added together give a palindrome (41814).

The spelling of 121340601 in words is "one hundred twenty-one million, three hundred forty thousand, six hundred one".