2125312 has 40 divisors (see below), whose sum is σ = 4861296. Its totient is φ = 909312.

The previous prime is 2125273. The next prime is 2125313. The reversal of 2125312 is 2135212.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125313) 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, 3288 + ... + 3880.

2^2125312 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 2125312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2430648).

2125312 is an abundant number, since it is smaller than the sum of its proper divisors (2735984).

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

2125312 is an frugal number, since it uses more digits than its factorization.

2125312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 602 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 2125312 is about 1457.8449849007. The cubic root of 2125312 is about 128.5703713023.

The spelling of 2125312 in words is "two million, one hundred twenty-five thousand, three hundred twelve".