1242007 has 4 divisors (see below), whose sum is σ = 1337560. Its totient is φ = 1146456.

The previous prime is 1242001. The next prime is 1242029. The reversal of 1242007 is 7002421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7002421 = 43 ⋅162847.

It is a cyclic number.

It is not a de Polignac number, because 1242007 - 2⁷ = 1241879 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242001) 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, 47757 + ... + 47782.

It is an arithmetic number, because the mean of its divisors is an integer number (334390).

2^1242007 is an apocalyptic number.

1242007 is a deficient number, since it is larger than the sum of its proper divisors (95553).

1242007 is an equidigital number, since it uses as much as digits as its factorization.

1242007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95552.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1242007 is about 1114.4536778171. The cubic root of 1242007 is about 107.4916380732.

Adding to 1242007 its reverse (7002421), we get a palindrome (8244428).

The spelling of 1242007 in words is "one million, two hundred forty-two thousand, seven".