4121113 has 2 divisors, whose sum is σ = 4121114.
Its totient is φ = 4121112.
The previous prime is 4121111. The next prime is 4121137. The reversal of 4121113 is 3111214.
It is a m-pointer prime, because the next prime (4121137) can be obtained adding 4121113 to its product of digits (24).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3674889 + 446224 = 1917^2 + 668^2
It is a cyclic number.
It is not a de Polignac number, because 4121113 - 21 = 4121111 is a prime.
Together with 4121111, it forms a pair of twin primes.
4121113 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 4121093 and 4121102.
It is not a weakly prime, because it can be changed into another prime (4121111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060556 + 2060557.
It is an arithmetic number, because the mean of its divisors is an integer number (2060557).
Almost surely, 24121113 is an apocalyptic number.
It is an amenable number.
4121113 is a deficient number, since it is larger than the sum of its proper divisors (1).
4121113 is an equidigital number, since it uses as much as digits as its factorization.
4121113 is an evil number, because the sum of its binary digits is even.
The product of its digits is 24, while the sum is 13.
The square root of 4121113 is about 2030.0524623763.
The cubic root of 4121113 is about 160.3263261802.
Adding to 4121113 its reverse (3111214), we get a palindrome (7232327).
The spelling of 4121113 in words is "four million, one hundred twenty-one thousand, one hundred thirteen".