1183143960 has 48 divisors (see below), whose sum is σ = 3845219040. Its totient is φ = 315504960.

The previous prime is 1183143959. The next prime is 1183144007. The reversal of 1183143960 is 693413811.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1642896 + ... + 1643615.

It is an arithmetic number, because the mean of its divisors is an integer number (80108730).

Almost surely, 2^1183143960 is an apocalyptic number.

1183143960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1183143960 is an abundant number, since it is smaller than the sum of its proper divisors (2662075080).

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

1183143960 is a wasteful number, since it uses less digits than its factorization.

1183143960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286528 (or 3286521 counting only the distinct ones).

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

The square root of 1183143960 is about 34396.8597403891. The cubic root of 1183143960 is about 1057.6594732924.

The spelling of 1183143960 in words is "one billion, one hundred eighty-three million, one hundred forty-three thousand, nine hundred sixty".