1043909061 has 16 divisors (see below), whose sum is σ = 1503413184. Its totient is φ = 640491264.

The previous prime is 1043909051. The next prime is 1043909117. The reversal of 1043909061 is 1609093401.

It is not a de Polignac number, because 1043909061 - 2⁷ = 1043908933 is a prime.

It is a super-2 number, since 2×1043909061² = 2179492255275803442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043909051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26571 + ... + 52856.

It is an arithmetic number, because the mean of its divisors is an integer number (93963324).

Almost surely, 2^1043909061 is an apocalyptic number.

It is an amenable number.

1043909061 is a deficient number, since it is larger than the sum of its proper divisors (459504123).

1043909061 is a wasteful number, since it uses less digits than its factorization.

1043909061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79780.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1043909061 is about 32309.5815664642. The cubic root of 1043909061 is about 1014.4272083454.

The spelling of 1043909061 in words is "one billion, forty-three million, nine hundred nine thousand, sixty-one".