1042045415 has 4 divisors (see below), whose sum is σ = 1250454504. Its totient is φ = 833636328.

The previous prime is 1042045399. The next prime is 1042045441. The reversal of 1042045415 is 5145402401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5145402401 = 29 ⋅177427669.

It is a cyclic number.

It is not a de Polignac number, because 1042045415 - 2⁴ = 1042045399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104204537 + ... + 104204546.

It is an arithmetic number, because the mean of its divisors is an integer number (312613626).

Almost surely, 2^1042045415 is an apocalyptic number.

1042045415 is a deficient number, since it is larger than the sum of its proper divisors (208409089).

1042045415 is an equidigital number, since it uses as much as digits as its factorization.

1042045415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208409088.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1042045415 is about 32280.7282290843. The cubic root of 1042045415 is about 1013.8231776477.

Adding to 1042045415 its reverse (5145402401), we get a palindrome (6187447816).

The spelling of 1042045415 in words is "one billion, forty-two million, forty-five thousand, four hundred fifteen".