1143069 has 8 divisors (see below), whose sum is σ = 1559712. Its totient is φ = 744240.

The previous prime is 1143067. The next prime is 1143071. The reversal of 1143069 is 9603411.

It is an interprime number because it is at equal distance from previous prime (1143067) and next prime (1143071).

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

It is not a de Polignac number, because 1143069 - 2¹ = 1143067 is a prime.

It is a super-2 number, since 2×1143069² = 2613213477522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (194964).

2^1143069 is an apocalyptic number.

It is an amenable number.

1143069 is a deficient number, since it is larger than the sum of its proper divisors (416643).

1143069 is an equidigital number, since it uses as much as digits as its factorization.

1143069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1143069 is about 1069.1440501635. The cubic root of 1143069 is about 104.5580517329.

It can be divided in two parts, 114 and 3069, that multiplied together give a triangular number (349866 = T₈₃₆).

The spelling of 1143069 in words is "one million, one hundred forty-three thousand, sixty-nine".