2101232 has 40 divisors (see below), whose sum is σ = 4734816. Its totient is φ = 884736.

The previous prime is 2101223. The next prime is 2101237. The reversal of 2101232 is 2321012.

It is a happy number.

2101232 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8048 + ... + 8304.

2^2101232 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 2101232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2367408).

2101232 is an abundant number, since it is smaller than the sum of its proper divisors (2633584).

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

2101232 is a wasteful number, since it uses less digits than its factorization.

2101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2101232 is about 1449.5626926767. The cubic root of 2101232 is about 128.0829540402.

Adding to 2101232 its reverse (2321012), we get a palindrome (4422244).

The spelling of 2101232 in words is "two million, one hundred one thousand, two hundred thirty-two".