1042424111 has 4 divisors (see below), whose sum is σ = 1078369800. Its totient is φ = 1006478424.

The previous prime is 1042424083. The next prime is 1042424161. The reversal of 1042424111 is 1114242401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1114242401 = 859 ⋅1297139.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042424111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042424161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17972801 + ... + 17972858.

It is an arithmetic number, because the mean of its divisors is an integer number (269592450).

Almost surely, 2^1042424111 is an apocalyptic number.

1042424111 is a deficient number, since it is larger than the sum of its proper divisors (35945689).

1042424111 is an equidigital number, since it uses as much as digits as its factorization.

1042424111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35945688.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1042424111 is about 32286.5933631902. The cubic root of 1042424111 is about 1013.9459759688.

Adding to 1042424111 its reverse (1114242401), we get a palindrome (2156666512).

The spelling of 1042424111 in words is "one billion, forty-two million, four hundred twenty-four thousand, one hundred eleven".