2102126 has 16 divisors (see below), whose sum is σ = 3420144. Its totient is φ = 963264.

The previous prime is 2102117. The next prime is 2102137. The reversal of 2102126 is 6212012.

2102126 = 175² + 176² + ... + 226².

It is a self number, because there is not a number n which added to its sum of digits gives 2102126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5885 + ... + 6231.

It is an arithmetic number, because the mean of its divisors is an integer number (213759).

2^2102126 is an apocalyptic number.

2102126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2102126 is a deficient number, since it is larger than the sum of its proper divisors (1318018).

2102126 is a wasteful number, since it uses less digits than its factorization.

2102126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2102126 is about 1449.8710287470. The cubic root of 2102126 is about 128.1011163889.

Adding to 2102126 its reverse (6212012), we get a palindrome (8314138).

The spelling of 2102126 in words is "two million, one hundred two thousand, one hundred twenty-six".