1143195 has 8 divisors (see below), whose sum is σ = 1829136. Its totient is φ = 609696.

The previous prime is 1143193. The next prime is 1143217. The reversal of 1143195 is 5913411.

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

It is not a de Polignac number, because 1143195 - 2¹ = 1143193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143193) 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, 38092 + ... + 38121.

It is an arithmetic number, because the mean of its divisors is an integer number (228642).

2^1143195 is an apocalyptic number.

1143195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143195 is a deficient number, since it is larger than the sum of its proper divisors (685941).

1143195 is an equidigital number, since it uses as much as digits as its factorization.

1143195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76221.

The product of its digits is 540, while the sum is 24.

The square root of 1143195 is about 1069.2029741822. The cubic root of 1143195 is about 104.5618933880.

The spelling of 1143195 in words is "one million, one hundred forty-three thousand, one hundred ninety-five".