1043001011 has 16 divisors (see below), whose sum is σ = 1137846528. Its totient is φ = 950311200.

The previous prime is 1043001007. The next prime is 1043001013. The reversal of 1043001011 is 1101003401.

It is a cyclic number.

It is not a de Polignac number, because 1043001011 - 2² = 1043001007 is a prime.

It is a super-2 number, since 2×1043001011² = 2175702217894044242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043000983 and 1043001001.

It is not an unprimeable number, because it can be changed into a prime (1043001013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431396 + ... + 433806.

It is an arithmetic number, because the mean of its divisors is an integer number (71115408).

Almost surely, 2^1043001011 is an apocalyptic number.

1043001011 is a deficient number, since it is larger than the sum of its proper divisors (94845517).

1043001011 is a wasteful number, since it uses less digits than its factorization.

1043001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1043001011 is about 32295.5261762369. The cubic root of 1043001011 is about 1014.1329880027.

Adding to 1043001011 its reverse (1101003401), we get a palindrome (2144004412).

The spelling of 1043001011 in words is "one billion, forty-three million, one thousand, eleven".