1011054243 has 32 divisors (see below), whose sum is σ = 1487185920. Its totient is φ = 608186880.

The previous prime is 1011054241. The next prime is 1011054269. The reversal of 1011054243 is 3424501101.

It is not a de Polignac number, because 1011054243 - 2¹ = 1011054241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011054241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169396 + ... + 175262.

It is an arithmetic number, because the mean of its divisors is an integer number (46474560).

Almost surely, 2^1011054243 is an apocalyptic number.

1011054243 is a deficient number, since it is larger than the sum of its proper divisors (476131677).

1011054243 is a wasteful number, since it uses less digits than its factorization.

1011054243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1011054243 is about 31797.0791583126. The cubic root of 1011054243 is about 1003.6712530737.

Adding to 1011054243 its reverse (3424501101), we get a palindrome (4435555344).

The spelling of 1011054243 in words is "one billion, eleven million, fifty-four thousand, two hundred forty-three".