1040321242 has 4 divisors (see below), whose sum is σ = 1560481866. Its totient is φ = 520160620.

The previous prime is 1040321221. The next prime is 1040321287. The reversal of 1040321242 is 2421230401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 811737081 + 228584161 = 28491^2 + 15119^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260080309 + ... + 260080312.

Almost surely, 2^1040321242 is an apocalyptic number.

1040321242 is a deficient number, since it is larger than the sum of its proper divisors (520160624).

1040321242 is an equidigital number, since it uses as much as digits as its factorization.

1040321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520160623.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040321242 is about 32254.0112544161. The cubic root of 1040321242 is about 1013.2637101817.

Adding to 1040321242 its reverse (2421230401), we get a palindrome (3461551643).

The spelling of 1040321242 in words is "one billion, forty million, three hundred twenty-one thousand, two hundred forty-two".