1242626 has 16 divisors (see below), whose sum is σ = 2324160. Its totient is φ = 484080.

The previous prime is 1242623. The next prime is 1242629. The reversal of 1242626 is 6262421.

It is an interprime number because it is at equal distance from previous prime (1242623) and next prime (1242629).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1242623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3881 + ... + 4188.

It is an arithmetic number, because the mean of its divisors is an integer number (145260).

2^1242626 is an apocalyptic number.

1242626 is a deficient number, since it is larger than the sum of its proper divisors (1081534).

1242626 is a wasteful number, since it uses less digits than its factorization.

1242626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089.

The product of its digits is 1152, while the sum is 23.

The square root of 1242626 is about 1114.7313577719. The cubic root of 1242626 is about 107.5094925816.

The spelling of 1242626 in words is "one million, two hundred forty-two thousand, six hundred twenty-six".