2103242 has 4 divisors (see below), whose sum is σ = 3154866. Its totient is φ = 1051620.

The previous prime is 2103239. The next prime is 2103301. The reversal of 2103242 is 2423012.

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

It can be written as a sum of positive squares in only one way, i.e., 1901641 + 201601 = 1379^2 + 449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525809 + ... + 525812.

2^2103242 is an apocalyptic number.

2103242 is a deficient number, since it is larger than the sum of its proper divisors (1051624).

2103242 is a wasteful number, since it uses less digits than its factorization.

2103242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051623.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2103242 is about 1450.2558394987. The cubic root of 2103242 is about 128.1237816263.

Adding to 2103242 its reverse (2423012), we get a palindrome (4526254).

The spelling of 2103242 in words is "two million, one hundred three thousand, two hundred forty-two".