1242526 has 8 divisors (see below), whose sum is σ = 1869120. Its totient is φ = 619488.

The previous prime is 1242517. The next prime is 1242569. The reversal of 1242526 is 6252421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1242497 and 1242506.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 310 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (233640).

2^1242526 is an apocalyptic number.

1242526 is a deficient number, since it is larger than the sum of its proper divisors (626594).

1242526 is a wasteful number, since it uses less digits than its factorization.

1242526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778.

The product of its digits is 960, while the sum is 22.

The square root of 1242526 is about 1114.6865030133. The cubic root of 1242526 is about 107.5066085716.

Adding to 1242526 its reverse (6252421), we get a palindrome (7494947).

The spelling of 1242526 in words is "one million, two hundred forty-two thousand, five hundred twenty-six".