1242035515 has 16 divisors (see below), whose sum is σ = 1705722048. Its totient is φ = 850502016.

The previous prime is 1242035513. The next prime is 1242035527. The reversal of 1242035515 is 5155302421.

It is not a de Polignac number, because 1242035515 - 2¹ = 1242035513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242035513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 49861.

It is an arithmetic number, because the mean of its divisors is an integer number (106607628).

Almost surely, 2^1242035515 is an apocalyptic number.

1242035515 is a deficient number, since it is larger than the sum of its proper divisors (463686533).

1242035515 is an equidigital number, since it uses as much as digits as its factorization.

1242035515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49158.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1242035515 is about 35242.5242427383. The cubic root of 1242035515 is about 1074.9246069354.

Adding to 1242035515 its reverse (5155302421), we get a palindrome (6397337936).

The spelling of 1242035515 in words is "one billion, two hundred forty-two million, thirty-five thousand, five hundred fifteen".