1242415135 has 32 divisors (see below), whose sum is σ = 1648963008. Its totient is φ = 892968960.

The previous prime is 1242415099. The next prime is 1242415147. The reversal of 1242415135 is 5315142421.

It is not a de Polignac number, because 1242415135 - 2⁷ = 1242415007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 449919 + ... + 452671.

It is an arithmetic number, because the mean of its divisors is an integer number (51530094).

Almost surely, 2^1242415135 is an apocalyptic number.

1242415135 is a deficient number, since it is larger than the sum of its proper divisors (406547873).

1242415135 is a wasteful number, since it uses less digits than its factorization.

1242415135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955.

The product of its digits is 4800, while the sum is 28.

The square root of 1242415135 is about 35247.9096543327. The cubic root of 1242415135 is about 1075.0341103292.

Adding to 1242415135 its reverse (5315142421), we get a palindrome (6557557556).

The spelling of 1242415135 in words is "one billion, two hundred forty-two million, four hundred fifteen thousand, one hundred thirty-five".