3870101 has 4 divisors (see below), whose sum is σ = 4097772. Its totient is φ = 3642432.

The previous prime is 3870077. The next prime is 3870149. The reversal of 3870101 is 1010783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 2044900 = 1351^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870101 - 2⁶ = 3870037 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870001) 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, 113810 + ... + 113843.

It is an arithmetic number, because the mean of its divisors is an integer number (1024443).

Almost surely, 2^3870101 is an apocalyptic number.

It is an amenable number.

3870101 is a deficient number, since it is larger than the sum of its proper divisors (227671).

3870101 is a wasteful number, since it uses less digits than its factorization.

3870101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227670.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 3870101 is about 1967.2572277158. The cubic root of 3870101 is about 157.0028127750.

Adding to 3870101 its reverse (1010783), we get a palindrome (4880884).

The spelling of 3870101 in words is "three million, eight hundred seventy thousand, one hundred one".