1143124992 has 132 divisors (see below), whose sum is σ = 3349154016. Its totient is φ = 375459840.

The previous prime is 1143124903. The next prime is 1143125017. The reversal of 1143124992 is 2994213411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653463 + ... + 655209.

Almost surely, 2^1143124992 is an apocalyptic number.

1143124992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143124992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674577008).

1143124992 is an abundant number, since it is smaller than the sum of its proper divisors (2206029024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143124992 is a wasteful number, since it uses less digits than its factorization.

1143124992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844 (or 1823 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1143124992 is about 33810.1314993006. The cubic root of 1143124992 is about 1045.5975892608.

The spelling of 1143124992 in words is "one billion, one hundred forty-three million, one hundred twenty-four thousand, nine hundred ninety-two".