2103072 has 48 divisors (see below), whose sum is σ = 5816160. Its totient is φ = 663552.

The previous prime is 2103067. The next prime is 2103083. The reversal of 2103072 is 2703012.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248 + ... + 2400.

It is an arithmetic number, because the mean of its divisors is an integer number (121170).

2^2103072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2908080).

2103072 is an abundant number, since it is smaller than the sum of its proper divisors (3713088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103072 is a wasteful number, since it uses less digits than its factorization.

2103072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2103072 is about 1450.1972279659. The cubic root of 2103072 is about 128.1203295541.

Adding to 2103072 its reverse (2703012), we get a palindrome (4806084).

The spelling of 2103072 in words is "two million, one hundred three thousand, seventy-two".