1226526 has 64 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 314496.

The previous prime is 1226503. The next prime is 1226531. The reversal of 1226526 is 6256221.

It is a d-powerful number, because it can be written as 1 + 2¹⁷ + 2¹⁹ + 6³ + 5 + 2¹⁹ + 6⁶ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1226496 and 1226505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23116 + ... + 23168.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2^1226526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555200).

1226526 is an abundant number, since it is smaller than the sum of its proper divisors (1883874).

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

1226526 is a wasteful number, since it uses less digits than its factorization.

1226526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113.

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

The square root of 1226526 is about 1107.4863430309. The cubic root of 1226526 is about 107.0431595766.

The spelling of 1226526 in words is "one million, two hundred twenty-six thousand, five hundred twenty-six".