816126 has 16 divisors (see below), whose sum is σ = 1718400. Its totient is φ = 257688.

The previous prime is 816121. The next prime is 816131. The reversal of 816126 is 621618.

It is an interprime number because it is at equal distance from previous prime (816121) and next prime (816131).

It is a junction number, because it is equal to n+sod(n) for n = 816096 and 816105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816121) by changing a digit.

816126 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3466 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (107400).

2⁸¹⁶¹²⁶ is an apocalyptic number.

816126 is an abundant number, since it is smaller than the sum of its proper divisors (902274).

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

816126 is a wasteful number, since it uses less digits than its factorization.

816126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183.

The product of its digits is 576, while the sum is 24.

The square root of 816126 is about 903.3969227311. The cubic root of 816126 is about 93.4513840697.

It can be divided in two parts, 81612 and 6, that added together give a palindrome (81618).

The spelling of 816126 in words is "eight hundred sixteen thousand, one hundred twenty-six".