1242727 has 8 divisors (see below), whose sum is σ = 1285056. Its totient is φ = 1201152.

The previous prime is 1242643. The next prime is 1242739. The reversal of 1242727 is 7272421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242727 - 2¹⁵ = 1209959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242757) 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 7 ways as a sum of consecutive naturals, for example, 6343 + ... + 6535.

It is an arithmetic number, because the mean of its divisors is an integer number (160632).

2^1242727 is an apocalyptic number.

1242727 is a deficient number, since it is larger than the sum of its proper divisors (42329).

1242727 is a wasteful number, since it uses less digits than its factorization.

1242727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its digits is 1568, while the sum is 25.

The square root of 1242727 is about 1114.7766592461. The cubic root of 1242727 is about 107.5124052747.

The spelling of 1242727 in words is "one million, two hundred forty-two thousand, seven hundred twenty-seven".