1231134 has 16 divisors (see below), whose sum is σ = 2542080. Its totient is φ = 397080.

The previous prime is 1231129. The next prime is 1231141. The reversal of 1231134 is 4311321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124 + ... + 3495.

It is an arithmetic number, because the mean of its divisors is an integer number (158880).

2^1231134 is an apocalyptic number.

1231134 is an abundant number, since it is smaller than the sum of its proper divisors (1310946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231134 is a wasteful number, since it uses less digits than its factorization.

1231134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655.

The product of its digits is 72, while the sum is 15.

The square root of 1231134 is about 1109.5647795420. The cubic root of 1231134 is about 107.1770440747.

Adding to 1231134 its reverse (4311321), we get a palindrome (5542455).

The spelling of 1231134 in words is "one million, two hundred thirty-one thousand, one hundred thirty-four".