1242103415 has 16 divisors (see below), whose sum is σ = 1713664512. Its totient is φ = 846623904.

The previous prime is 1242103393. The next prime is 1242103427. The reversal of 1242103415 is 5143012421.

It is not a de Polignac number, because 1242103415 - 2¹⁰ = 1242102391 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 100409 + ... + 112098.

It is an arithmetic number, because the mean of its divisors is an integer number (107104032).

Almost surely, 2^1242103415 is an apocalyptic number.

1242103415 is a deficient number, since it is larger than the sum of its proper divisors (471561097).

1242103415 is a wasteful number, since it uses less digits than its factorization.

1242103415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212686.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1242103415 is about 35243.4875544405. The cubic root of 1242103415 is about 1074.9441946874.

Adding to 1242103415 its reverse (5143012421), we get a palindrome (6385115836).

The spelling of 1242103415 in words is "one billion, two hundred forty-two million, one hundred three thousand, four hundred fifteen".