1125111 has 16 divisors (see below), whose sum is σ = 1711584. Its totient is φ = 651264.

The previous prime is 1125109. The next prime is 1125121. The reversal of 1125111 is 1115211.

It is not a de Polignac number, because 1125111 - 2¹ = 1125109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (106974).

2^1125111 is an apocalyptic number.

1125111 is a deficient number, since it is larger than the sum of its proper divisors (586473).

1125111 is a wasteful number, since it uses less digits than its factorization.

1125111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730.

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

The square root of 1125111 is about 1060.7124963910. The cubic root of 1125111 is about 104.0076116224.

The spelling of 1125111 in words is "one million, one hundred twenty-five thousand, one hundred eleven".