1143120801 has 8 divisors (see below), whose sum is σ = 1552919040. Its totient is φ = 747701552.

The previous prime is 1143120799. The next prime is 1143120827. The reversal of 1143120801 is 1080213411.

It is a happy number.

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 1143120801 - 2¹ = 1143120799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143120871) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3594561 + ... + 3594878.

It is an arithmetic number, because the mean of its divisors is an integer number (194114880).

Almost surely, 2^1143120801 is an apocalyptic number.

It is an amenable number.

1143120801 is a deficient number, since it is larger than the sum of its proper divisors (409798239).

1143120801 is an equidigital number, since it uses as much as digits as its factorization.

1143120801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189495.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1143120801 is about 33810.0695207803. The cubic root of 1143120801 is about 1045.5963114464.

The spelling of 1143120801 in words is "one billion, one hundred forty-three million, one hundred twenty thousand, eight hundred one".