4120101 has 6 divisors (see below), whose sum is σ = 5951270. Its totient is φ = 2746728.

The previous prime is 4120097. The next prime is 4120111. The reversal of 4120101 is 1010214.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2643876 + 1476225 = 1626^2 + 1215^2 .

It is not a de Polignac number, because 4120101 - 2² = 4120097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 457789 = 4120101 / (4 + 1 + 2 + 0 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120111) 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, 228886 + ... + 228903.

Almost surely, 2^4120101 is an apocalyptic number.

It is an amenable number.

4120101 is a deficient number, since it is larger than the sum of its proper divisors (1831169).

4120101 is a wasteful number, since it uses less digits than its factorization.

4120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457795 (or 457792 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 4120101 is about 2029.8031924302. The cubic root of 4120101 is about 160.3132016088.

Adding to 4120101 its reverse (1010214), we get a palindrome (5130315).

The spelling of 4120101 in words is "four million, one hundred twenty thousand, one hundred one".