1143670 has 32 divisors (see below), whose sum is σ = 2314656. Its totient is φ = 403200.

The previous prime is 1143661. The next prime is 1143679. The reversal of 1143670 is 763411.

It is an interprime number because it is at equal distance from previous prime (1143661) and next prime (1143679).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3930 + ... + 4210.

It is an arithmetic number, because the mean of its divisors is an integer number (72333).

2^1143670 is an apocalyptic number.

1143670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143670 is an abundant number, since it is smaller than the sum of its proper divisors (1170986).

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

1143670 is a wasteful number, since it uses less digits than its factorization.

1143670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1143670 is about 1069.4250791897. The cubic root of 1143670 is about 104.5763732804.

It can be divided in two parts, 11 and 43670, that added together give a square (43681 = 209²).

The spelling of 1143670 in words is "one million, one hundred forty-three thousand, six hundred seventy".