1242299 has 4 divisors (see below), whose sum is σ = 1296336. Its totient is φ = 1188264.

The previous prime is 1242289. The next prime is 1242317. The reversal of 1242299 is 9922421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9922421 = 97 ⋅102293.

It is a cyclic number.

It is not a de Polignac number, because 1242299 - 2²⁰ = 193723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242289) 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, 26984 + ... + 27029.

It is an arithmetic number, because the mean of its divisors is an integer number (324084).

2^1242299 is an apocalyptic number.

1242299 is a deficient number, since it is larger than the sum of its proper divisors (54037).

1242299 is an equidigital number, since it uses as much as digits as its factorization.

1242299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54036.

The product of its digits is 2592, while the sum is 29.

The square root of 1242299 is about 1114.5846760117. The cubic root of 1242299 is about 107.5000612944.

It can be divided in two parts, 12422 and 99, that added together give a palindrome (12521).

The spelling of 1242299 in words is "one million, two hundred forty-two thousand, two hundred ninety-nine".