1125131 has 8 divisors (see below), whose sum is σ = 1305600. Its totient is φ = 949608.

The previous prime is 1125127. The next prime is 1125139. The reversal of 1125131 is 1315211.

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 1125131 - 2² = 1125127 is a prime.

It is a super-2 number, since 2×1125131² = 2531839534322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125139) 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, 731 + ... + 1668.

It is an arithmetic number, because the mean of its divisors is an integer number (163200).

2^1125131 is an apocalyptic number.

1125131 is a deficient number, since it is larger than the sum of its proper divisors (180469).

1125131 is an equidigital number, since it uses as much as digits as its factorization.

1125131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its digits is 30, while the sum is 14.

The square root of 1125131 is about 1060.7219239744. The cubic root of 1125131 is about 104.0082278993.

The spelling of 1125131 in words is "one million, one hundred twenty-five thousand, one hundred thirty-one".