2103742 has 8 divisors (see below), whose sum is σ = 3162816. Its totient is φ = 1049472.

The previous prime is 2103719. The next prime is 2103743. The reversal of 2103742 is 2473012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103743) 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, 243 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (395352).

2^2103742 is an apocalyptic number.

2103742 is a deficient number, since it is larger than the sum of its proper divisors (1059074).

2103742 is a wasteful number, since it uses less digits than its factorization.

2103742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402.

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

The square root of 2103742 is about 1450.4282126324. The cubic root of 2103742 is about 128.1339337019.

Adding to 2103742 its reverse (2473012), we get a palindrome (4576754).

The spelling of 2103742 in words is "two million, one hundred three thousand, seven hundred forty-two".