1011083642 has 4 divisors (see below), whose sum is σ = 1516625466. Its totient is φ = 505541820.

The previous prime is 1011083641. The next prime is 1011083669. The reversal of 1011083642 is 2463801101.

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., 994834681 + 16248961 = 31541^2 + 4031^2 .

It is a super-2 number, since 2×1011083642² = 2044580262239968328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011083641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252770909 + ... + 252770912.

Almost surely, 2^1011083642 is an apocalyptic number.

1011083642 is a deficient number, since it is larger than the sum of its proper divisors (505541824).

1011083642 is an equidigital number, since it uses as much as digits as its factorization.

1011083642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505541823.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1011083642 is about 31797.5414458414. The cubic root of 1011083642 is about 1003.6809810863.

Adding to 1011083642 its reverse (2463801101), we get a palindrome (3474884743).

The spelling of 1011083642 in words is "one billion, eleven million, eighty-three thousand, six hundred forty-two".