2123602 has 8 divisors (see below), whose sum is σ = 3430476. Its totient is φ = 980112.

The previous prime is 2123581. The next prime is 2123603. The reversal of 2123602 is 2063212.

It can be written as a sum of positive squares in 2 ways, for example, as 1962801 + 160801 = 1401^2 + 401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2123603) 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, 40813 + ... + 40864.

2^2123602 is an apocalyptic number.

2123602 is a deficient number, since it is larger than the sum of its proper divisors (1306874).

2123602 is a wasteful number, since it uses less digits than its factorization.

2123602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81692.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2123602 is about 1457.2583847760. The cubic root of 2123602 is about 128.5358800016.

Adding to 2123602 its reverse (2063212), we get a palindrome (4186814).

The spelling of 2123602 in words is "two million, one hundred twenty-three thousand, six hundred two".