2040101 has 4 divisors (see below), whose sum is σ = 2331552. Its totient is φ = 1748652.

The previous prime is 2040097. The next prime is 2040107. The reversal of 2040101 is 1010402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1010402 = 2 ⋅505201.

It is a cyclic number.

It is not a de Polignac number, because 2040101 - 2² = 2040097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040107) 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, 145715 + ... + 145728.

It is an arithmetic number, because the mean of its divisors is an integer number (582888).

2^2040101 is an apocalyptic number.

It is an amenable number.

2040101 is a deficient number, since it is larger than the sum of its proper divisors (291451).

2040101 is an equidigital number, since it uses as much as digits as its factorization.

2040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291450.

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

The square root of 2040101 is about 1428.3210423431. The cubic root of 2040101 is about 126.8286071251.

Adding to 2040101 its reverse (1010402), we get a palindrome (3050503).

The spelling of 2040101 in words is "two million, forty thousand, one hundred one".