1042434242 has 4 divisors (see below), whose sum is σ = 1563651366. Its totient is φ = 521217120.

The previous prime is 1042434223. The next prime is 1042434257. The reversal of 1042434242 is 2424342401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2424342401 = 13 ⋅186487877.

It can be written as a sum of positive squares in only one way, i.e., 902461681 + 139972561 = 30041^2 + 11831^2 .

It is a super-2 number, since 2×1042434242² = 2173338297788229128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260608559 + ... + 260608562.

Almost surely, 2^1042434242 is an apocalyptic number.

1042434242 is a deficient number, since it is larger than the sum of its proper divisors (521217124).

1042434242 is an equidigital number, since it uses as much as digits as its factorization.

1042434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521217123.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1042434242 is about 32286.7502545549. The cubic root of 1042434242 is about 1013.9492607015.

Adding to 1042434242 its reverse (2424342401), we get a palindrome (3466776643).

The spelling of 1042434242 in words is "one billion, forty-two million, four hundred thirty-four thousand, two hundred forty-two".