654126 has 48 divisors (see below), whose sum is σ = 1551312. Its totient is φ = 183040.

The previous prime is 654107. The next prime is 654127. The reversal of 654126 is 621456.

It is a junction number, because it is equal to n+sod(n) for n = 654096 and 654105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654127) 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 in 23 ways as a sum of consecutive naturals, for example, 12316 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (32319).

2⁶⁵⁴¹²⁶ is an apocalyptic number.

654126 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 654126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775656).

654126 is an abundant number, since it is smaller than the sum of its proper divisors (897186).

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

654126 is a wasteful number, since it uses less digits than its factorization.

654126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 86 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 654126 is about 808.7805635647. The cubic root of 654126 is about 86.8068113890.

It can be divided in two parts, 654 and 126, that added together give a triangular number (780 = T₃₉).

The spelling of 654126 in words is "six hundred fifty-four thousand, one hundred twenty-six".