1043920229 has 16 divisors (see below), whose sum is σ = 1174400640. Its totient is φ = 919680000.

The previous prime is 1043920223. The next prime is 1043920231. The reversal of 1043920229 is 9220293401.

It is a cyclic number.

It is not a de Polignac number, because 1043920229 - 2⁸ = 1043919973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043920195 and 1043920204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043920223) 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, 60437 + ... + 75765.

It is an arithmetic number, because the mean of its divisors is an integer number (73400040).

Almost surely, 2^1043920229 is an apocalyptic number.

It is an amenable number.

1043920229 is a deficient number, since it is larger than the sum of its proper divisors (130480411).

1043920229 is a wasteful number, since it uses less digits than its factorization.

1043920229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1043920229 is about 32309.7543939907. The cubic root of 1043920229 is about 1014.4308258645.

The spelling of 1043920229 in words is "one billion, forty-three million, nine hundred twenty thousand, two hundred twenty-nine".