1143229726 has 8 divisors (see below), whose sum is σ = 1725767640. Its totient is φ = 567973848.

The previous prime is 1143229721. The next prime is 1143229733. The reversal of 1143229726 is 6279223411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143229721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820116 + ... + 1820743.

It is an arithmetic number, because the mean of its divisors is an integer number (215720955).

Almost surely, 2^1143229726 is an apocalyptic number.

1143229726 is a deficient number, since it is larger than the sum of its proper divisors (582537914).

1143229726 is a wasteful number, since it uses less digits than its factorization.

1143229726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641018.

The product of its digits is 36288, while the sum is 37.

The square root of 1143229726 is about 33811.6803190850. The cubic root of 1143229726 is about 1045.6295211068.

The spelling of 1143229726 in words is "one billion, one hundred forty-three million, two hundred twenty-nine thousand, seven hundred twenty-six".