1142801 has 8 divisors (see below), whose sum is σ = 1301184. Its totient is φ = 993520.

The previous prime is 1142789. The next prime is 1142809. The reversal of 1142801 is 1082411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142801 - 2⁶ = 1142737 is a prime.

It is a super-4 number, since 4×1142801⁴ (a number of 25 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142801.

It is not an unprimeable number, because it can be changed into a prime (1142809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 2511.

It is an arithmetic number, because the mean of its divisors is an integer number (162648).

2^1142801 is an apocalyptic number.

1142801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142801 is a deficient number, since it is larger than the sum of its proper divisors (158383).

1142801 is a wasteful number, since it uses less digits than its factorization.

1142801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1142801 is about 1069.0187089102. The cubic root of 1142801 is about 104.5498796546.

The spelling of 1142801 in words is "one million, one hundred forty-two thousand, eight hundred one".