1101667 has 6 divisors (see below), whose sum is σ = 1281588. Its totient is φ = 944244.

The previous prime is 1101649. The next prime is 1101671. The reversal of 1101667 is 7661011.

It is not a de Polignac number, because 1101667 - 2¹¹ = 1099619 is a prime.

1101667 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1101697) 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 5 ways as a sum of consecutive naturals, for example, 11193 + ... + 11290.

It is an arithmetic number, because the mean of its divisors is an integer number (213598).

2^1101667 is an apocalyptic number.

1101667 is a deficient number, since it is larger than the sum of its proper divisors (179921).

1101667 is an equidigital number, since it uses as much as digits as its factorization.

1101667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22497 (or 22490 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1101667 is about 1049.6032583791. The cubic root of 1101667 is about 103.2801310127.

Adding to 1101667 its reverse (7661011), we get a palindrome (8762678).

The spelling of 1101667 in words is "one million, one hundred one thousand, six hundred sixty-seven".