2102072 has 16 divisors (see below), whose sum is σ = 4504560. Its totient is φ = 900864.

The previous prime is 2102069. The next prime is 2102083. The reversal of 2102072 is 2702012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18713 + ... + 18824.

It is an arithmetic number, because the mean of its divisors is an integer number (281535).

2^2102072 is an apocalyptic number.

It is an amenable number.

2102072 is an abundant number, since it is smaller than the sum of its proper divisors (2402488).

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

2102072 is a wasteful number, since it uses less digits than its factorization.

2102072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37550 (or 37546 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2102072 is about 1449.8524062814. The cubic root of 2102072 is about 128.1000194805.

Adding to 2102072 its reverse (2702012), we get a palindrome (4804084).

The spelling of 2102072 in words is "two million, one hundred two thousand, seventy-two".