1042242442 has 8 divisors (see below), whose sum is σ = 1563657732. Its totient is φ = 521023200.

The previous prime is 1042242431. The next prime is 1042242449. The reversal of 1042242442 is 2442422401.

It can be written as a sum of positive squares in 2 ways, for example, as 862655641 + 179586801 = 29371^2 + 13401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1042242442² = 2172538615812246728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042242449) 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, 34909 + ... + 57472.

Almost surely, 2^1042242442 is an apocalyptic number.

1042242442 is a deficient number, since it is larger than the sum of its proper divisors (521415290).

1042242442 is an equidigital number, since it uses as much as digits as its factorization.

1042242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98024.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1042242442 is about 32283.7798592420. The cubic root of 1042242442 is about 1013.8870705607.

Adding to 1042242442 its reverse (2442422401), we get a palindrome (3484664843).

The spelling of 1042242442 in words is "one billion, forty-two million, two hundred forty-two thousand, four hundred forty-two".