1155667 has 8 divisors (see below), whose sum is σ = 1203552. Its totient is φ = 1108800.

The previous prime is 1155659. The next prime is 1155689. The reversal of 1155667 is 7665511.

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 1155667 - 2³ = 1155659 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1155607) 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, 2713 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (150444).

2^1155667 is an apocalyptic number.

1155667 is a deficient number, since it is larger than the sum of its proper divisors (47885).

1155667 is an equidigital number, since it uses as much as digits as its factorization.

1155667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its digits is 6300, while the sum is 31.

The square root of 1155667 is about 1075.0195347062. The cubic root of 1155667 is about 104.9407678018.

The spelling of 1155667 in words is "one million, one hundred fifty-five thousand, six hundred sixty-seven".