1042042415 has 4 divisors (see below), whose sum is σ = 1250450904. Its totient is φ = 833633928.

The previous prime is 1042042409. The next prime is 1042042423. The reversal of 1042042415 is 5142402401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5142402401 = 3797 ⋅1354333.

It is a cyclic number.

It is not a de Polignac number, because 1042042415 - 2⁴ = 1042042399 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104204237 + ... + 104204246.

It is an arithmetic number, because the mean of its divisors is an integer number (312612726).

Almost surely, 2^1042042415 is an apocalyptic number.

1042042415 is a deficient number, since it is larger than the sum of its proper divisors (208408489).

1042042415 is an equidigital number, since it uses as much as digits as its factorization.

1042042415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208408488.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1042042415 is about 32280.6817616977. The cubic root of 1042042415 is about 1013.8222047303.

Adding to 1042042415 its reverse (5142402401), we get a palindrome (6184444816).

The spelling of 1042042415 in words is "one billion, forty-two million, forty-two thousand, four hundred fifteen".