121410001 has 4 divisors (see below), whose sum is σ = 121432932. Its totient is φ = 121387072.

The previous prime is 121409999. The next prime is 121410007. The reversal of 121410001 is 100014121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100014121 = 467 ⋅214163.

It can be written as a sum of positive squares in 2 ways, for example, as 58920976 + 62489025 = 7676^2 + 7905^2 .

It is a cyclic number.

It is not a de Polignac number, because 121410001 - 2¹ = 121409999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121410001.

It is not an unprimeable number, because it can be changed into a prime (121410007) 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, 981 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (30358233).

Almost surely, 2^121410001 is an apocalyptic number.

It is an amenable number.

121410001 is a deficient number, since it is larger than the sum of its proper divisors (22931).

121410001 is an equidigital number, since it uses as much as digits as its factorization.

121410001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22930.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 121410001 is about 11018.6206487019. The cubic root of 121410001 is about 495.1667648835.

Adding to 121410001 its reverse (100014121), we get a palindrome (221424122).

The spelling of 121410001 in words is "one hundred twenty-one million, four hundred ten thousand, one".