1043089981 has 8 divisors (see below), whose sum is σ = 1051475040. Its totient is φ = 1034736528.

The previous prime is 1043089963. The next prime is 1043089991. The reversal of 1043089981 is 1899803401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043089981 - 2¹¹ = 1043087933 is a prime.

It is a super-2 number, since 2×1043089981² = 2176073416925160722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043089921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60730 + ... + 75988.

It is an arithmetic number, because the mean of its divisors is an integer number (131434380).

Almost surely, 2^1043089981 is an apocalyptic number.

It is an amenable number.

1043089981 is a deficient number, since it is larger than the sum of its proper divisors (8385059).

1043089981 is a wasteful number, since it uses less digits than its factorization.

1043089981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15803.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 1043089981 is about 32296.9035822322. The cubic root of 1043089981 is about 1014.1618230168.

The spelling of 1043089981 in words is "one billion, forty-three million, eighty-nine thousand, nine hundred eighty-one".