1107643 has 8 divisors (see below), whose sum is σ = 1179920. Its totient is φ = 1036800.

The previous prime is 1107619. The next prime is 1107677. The reversal of 1107643 is 3467011.

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 1107643 - 2¹⁷ = 976571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1807643) 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, 1543 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (147490).

2^1107643 is an apocalyptic number.

1107643 is a deficient number, since it is larger than the sum of its proper divisors (72277).

1107643 is an equidigital number, since it uses as much as digits as its factorization.

1107643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

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

The square root of 1107643 is about 1052.4461981498. The cubic root of 1107643 is about 103.4665422751.

The spelling of 1107643 in words is "one million, one hundred seven thousand, six hundred forty-three".