2103427 has 4 divisors (see below), whose sum is σ = 2227176. Its totient is φ = 1979680.

The previous prime is 2103407. The next prime is 2103449. The reversal of 2103427 is 7243012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103427 - 2¹⁹ = 1579139 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 0 + 3⁴ + 4⁶ + 2²¹ + 7² .

It is a Duffinian number.

2103427 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2103407) 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, 61849 + ... + 61882.

It is an arithmetic number, because the mean of its divisors is an integer number (556794).

2^2103427 is an apocalyptic number.

2103427 is a deficient number, since it is larger than the sum of its proper divisors (123749).

2103427 is a wasteful number, since it uses less digits than its factorization.

2103427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123748.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2103427 is about 1450.3196199459. The cubic root of 2103427 is about 128.1275380818.

Adding to 2103427 its reverse (7243012), we get a palindrome (9346439).

The spelling of 2103427 in words is "two million, one hundred three thousand, four hundred twenty-seven".