1522726 has 4 divisors (see below), whose sum is σ = 2284092. Its totient is φ = 761362.

The previous prime is 1522711. The next prime is 1522727. The reversal of 1522726 is 6272251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6272251 = 293 ⋅21407.

It is a self number, because there is not a number n which added to its sum of digits gives 1522726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380680 + ... + 380683.

It is an arithmetic number, because the mean of its divisors is an integer number (571023).

2^1522726 is an apocalyptic number.

1522726 is a deficient number, since it is larger than the sum of its proper divisors (761366).

1522726 is an equidigital number, since it uses as much as digits as its factorization.

1522726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761365.

The product of its digits is 1680, while the sum is 25.

The square root of 1522726 is about 1233.9878443486. The cubic root of 1522726 is about 115.0466351501.

Adding to 1522726 its reverse (6272251), we get a palindrome (7794977).

The spelling of 1522726 in words is "one million, five hundred twenty-two thousand, seven hundred twenty-six".