1229041543 has 16 divisors (see below), whose sum is σ = 1361132640. Its totient is φ = 1105228800.

The previous prime is 1229041511. The next prime is 1229041573. The reversal of 1229041543 is 3451409221.

It is not a de Polignac number, because 1229041543 - 2⁵ = 1229041511 is a prime.

It is a super-2 number, since 2×1229041543² = 3021086228839641698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229041573) 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, 7503 + ... + 50143.

It is an arithmetic number, because the mean of its divisors is an integer number (85070790).

Almost surely, 2^1229041543 is an apocalyptic number.

1229041543 is a deficient number, since it is larger than the sum of its proper divisors (132091097).

1229041543 is a wasteful number, since it uses less digits than its factorization.

1229041543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42738.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1229041543 is about 35057.6887857714. The cubic root of 1229041543 is about 1071.1628964550.

The spelling of 1229041543 in words is "one billion, two hundred twenty-nine million, forty-one thousand, five hundred forty-three".