1112511 has 4 divisors (see below), whose sum is σ = 1483352. Its totient is φ = 741672.

The previous prime is 1112509. The next prime is 1112513. The reversal of 1112511 is 1152111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1112509) and next prime (1112513).

It is not a de Polignac number, because 1112511 - 2¹ = 1112509 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112513) 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, 185416 + ... + 185421.

It is an arithmetic number, because the mean of its divisors is an integer number (370838).

2^1112511 is an apocalyptic number.

1112511 is a deficient number, since it is larger than the sum of its proper divisors (370841).

1112511 is an equidigital number, since it uses as much as digits as its factorization.

1112511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370840.

The product of its digits is 10, while the sum is 12.

The square root of 1112511 is about 1054.7563699737. The cubic root of 1112511 is about 103.6178964129.

Adding to 1112511 its reverse (1152111), we get a palindrome (2264622).

The spelling of 1112511 in words is "one million, one hundred twelve thousand, five hundred eleven".