11122667 has 4 divisors (see below), whose sum is σ = 11129976. Its totient is φ = 11115360.

The previous prime is 11122663. The next prime is 11122711. The reversal of 11122667 is 76622111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11122667 - 2² = 11122663 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 (11122663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 4734.

It is an arithmetic number, because the mean of its divisors is an integer number (2782494).

Almost surely, 2^11122667 is an apocalyptic number.

11122667 is a deficient number, since it is larger than the sum of its proper divisors (7309).

11122667 is an equidigital number, since it uses as much as digits as its factorization.

11122667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308.

The product of its digits is 1008, while the sum is 26.

The square root of 11122667 is about 3335.0662662082. The cubic root of 11122667 is about 223.2216488189.

Adding to 11122667 its reverse (76622111), we get a palindrome (87744778).

The spelling of 11122667 in words is "eleven million, one hundred twenty-two thousand, six hundred sixty-seven".