1242027 has 16 divisors (see below), whose sum is σ = 1858080. Its totient is φ = 819936.

The previous prime is 1242001. The next prime is 1242029. The reversal of 1242027 is 7202421.

It is not a de Polignac number, because 1242027 - 2⁶ = 1241963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242029) 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 15 ways as a sum of consecutive naturals, for example, 4093 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (116130).

2^1242027 is an apocalyptic number.

1242027 is a deficient number, since it is larger than the sum of its proper divisors (616053).

1242027 is a wasteful number, since it uses less digits than its factorization.

1242027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1242027 is about 1114.4626507874. The cubic root of 1242027 is about 107.4922150483.

Adding to 1242027 its reverse (7202421), we get a palindrome (8444448).

The spelling of 1242027 in words is "one million, two hundred forty-two thousand, twenty-seven".