1242797 has 8 divisors (see below), whose sum is σ = 1283040. Its totient is φ = 1203280.

The previous prime is 1242781. The next prime is 1242803. The reversal of 1242797 is 7972421.

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 1242797 - 2⁴ = 1242781 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

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, 6854 + ... + 7032.

It is an arithmetic number, because the mean of its divisors is an integer number (160380).

2^1242797 is an apocalyptic number.

It is an amenable number.

1242797 is a deficient number, since it is larger than the sum of its proper divisors (40243).

1242797 is a wasteful number, since it uses less digits than its factorization.

1242797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its digits is 7056, while the sum is 32.

The square root of 1242797 is about 1114.8080552274. The cubic root of 1242797 is about 107.5144238803.

The spelling of 1242797 in words is "one million, two hundred forty-two thousand, seven hundred ninety-seven".