1143124029 has 16 divisors (see below), whose sum is σ = 1700274240. Its totient is φ = 759042000.

The previous prime is 1143123983. The next prime is 1143124033. The reversal of 1143124029 is 9204213411.

It is a happy number.

It is not a de Polignac number, because 1143124029 - 2¹³ = 1143115837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1143123993 and 1143124011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143124049) 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, 77562 + ... + 91115.

It is an arithmetic number, because the mean of its divisors is an integer number (106267140).

Almost surely, 2^1143124029 is an apocalyptic number.

It is an amenable number.

1143124029 is a deficient number, since it is larger than the sum of its proper divisors (557150211).

1143124029 is a wasteful number, since it uses less digits than its factorization.

1143124029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168937 (or 168931 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1143124029 is about 33810.1172580043. The cubic root of 1143124029 is about 1045.5972956473.

It can be divided in two parts, 114312 and 4029, that added together give a triangular number (118341 = T₄₈₆).

The spelling of 1143124029 in words is "one billion, one hundred forty-three million, one hundred twenty-four thousand, twenty-nine".