2125973 has 4 divisors (see below), whose sum is σ = 2177868. Its totient is φ = 2074080.

The previous prime is 2125939. The next prime is 2125987. The reversal of 2125973 is 3795212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1129969 + 996004 = 1063^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125973 - 2¹² = 2121877 is a prime.

It is a super-2 number, since 2×2125973² = 9039522393458, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 1 + 2⁵ + 5³ + 9⁶ + 7² + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125933) 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, 25886 + ... + 25967.

It is an arithmetic number, because the mean of its divisors is an integer number (544467).

2^2125973 is an apocalyptic number.

It is an amenable number.

2125973 is a deficient number, since it is larger than the sum of its proper divisors (51895).

2125973 is an equidigital number, since it uses as much as digits as its factorization.

2125973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51894.

The product of its digits is 3780, while the sum is 29.

The square root of 2125973 is about 1458.0716717638. The cubic root of 2125973 is about 128.5836989465.

The spelling of 2125973 in words is "two million, one hundred twenty-five thousand, nine hundred seventy-three".