2125694 has 4 divisors (see below), whose sum is σ = 3188544. Its totient is φ = 1062846.

The previous prime is 2125693. The next prime is 2125699. The reversal of 2125694 is 4965212.

It is a happy number.

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

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 (2125691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531422 + ... + 531425.

It is an arithmetic number, because the mean of its divisors is an integer number (797136).

2^2125694 is an apocalyptic number.

2125694 is a deficient number, since it is larger than the sum of its proper divisors (1062850).

2125694 is a wasteful number, since it uses less digits than its factorization.

2125694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062849.

The product of its digits is 4320, while the sum is 29.

The square root of 2125694 is about 1457.9759943154. The cubic root of 2125694 is about 128.5780738482.

The spelling of 2125694 in words is "two million, one hundred twenty-five thousand, six hundred ninety-four".