1242926 has 8 divisors (see below), whose sum is σ = 1890864. Its totient is φ = 612640.

The previous prime is 1242893. The next prime is 1242929. The reversal of 1242926 is 6292421.

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 = 1242895 and 1242904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242929) 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 3 ways as a sum of consecutive naturals, for example, 4235 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (236358).

2^1242926 is an apocalyptic number.

1242926 is a deficient number, since it is larger than the sum of its proper divisors (647938).

1242926 is an equidigital number, since it uses as much as digits as its factorization.

1242926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826.

The product of its digits is 1728, while the sum is 26.

The square root of 1242926 is about 1114.8659112198. The cubic root of 1242926 is about 107.5181436836.

The spelling of 1242926 in words is "one million, two hundred forty-two thousand, nine hundred twenty-six".