1148971143 has 8 divisors (see below), whose sum is σ = 1532541168. Its totient is φ = 765690944.

The previous prime is 1148971121. The next prime is 1148971183. The reversal of 1148971143 is 3411798411.

It is a happy number.

1148971143 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1148971143 - 2¹⁶ = 1148905607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148971183) 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, 63030 + ... + 79187.

It is an arithmetic number, because the mean of its divisors is an integer number (191567646).

Almost surely, 2^1148971143 is an apocalyptic number.

1148971143 is a deficient number, since it is larger than the sum of its proper divisors (383570025).

1148971143 is a wasteful number, since it uses less digits than its factorization.

1148971143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144913.

The product of its digits is 24192, while the sum is 39.

The square root of 1148971143 is about 33896.4768523220. The cubic root of 1148971143 is about 1047.3770185780.

The spelling of 1148971143 in words is "one billion, one hundred forty-eight million, nine hundred seventy-one thousand, one hundred forty-three".