1011304642 has 4 divisors (see below), whose sum is σ = 1516956966. Its totient is φ = 505652320.

The previous prime is 1011304639. The next prime is 1011304681. The reversal of 1011304642 is 2464031101.

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., 949194481 + 62110161 = 30809^2 + 7881^2 .

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, 252826159 + ... + 252826162.

Almost surely, 2^1011304642 is an apocalyptic number.

1011304642 is a deficient number, since it is larger than the sum of its proper divisors (505652324).

1011304642 is an equidigital number, since it uses as much as digits as its factorization.

1011304642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505652323.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1011304642 is about 31801.0163674056. The cubic root of 1011304642 is about 1003.7541030742.

Adding to 1011304642 its reverse (2464031101), we get a palindrome (3475335743).

The spelling of 1011304642 in words is "one billion, eleven million, three hundred four thousand, six hundred forty-two".