1242040035 has 8 divisors (see below), whose sum is σ = 1987264080. Its totient is φ = 662421344.

The previous prime is 1242040021. The next prime is 1242040049. The reversal of 1242040035 is 5300402421.

It is an interprime number because it is at equal distance from previous prime (1242040021) and next prime (1242040049).

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 1242040035 - 2¹⁰ = 1242039011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242039993 and 1242040020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41401320 + ... + 41401349.

It is an arithmetic number, because the mean of its divisors is an integer number (248408010).

Almost surely, 2^1242040035 is an apocalyptic number.

1242040035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1242040035 is a deficient number, since it is larger than the sum of its proper divisors (745224045).

1242040035 is an equidigital number, since it uses as much as digits as its factorization.

1242040035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82802677.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1242040035 is about 35242.5883697551. The cubic root of 1242040035 is about 1074.9259108845.

Adding to 1242040035 its reverse (5300402421), we get a palindrome (6542442456).

The spelling of 1242040035 in words is "one billion, two hundred forty-two million, forty thousand, thirty-five".