1126305 has 32 divisors (see below), whose sum is σ = 2046720. Its totient is φ = 594864.

The previous prime is 1126283. The next prime is 1126313. The reversal of 1126305 is 5036211.

It is not a de Polignac number, because 1126305 - 2⁹ = 1125793 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10884 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (63960).

2^1126305 is an apocalyptic number.

1126305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1126305 is a deficient number, since it is larger than the sum of its proper divisors (920415).

1126305 is an frugal number, since it uses more digits than its factorization.

1126305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1126305 is about 1061.2751763798. The cubic root of 1126305 is about 104.0443905667.

It can be divided in two parts, 1126 and 305, that added together give a triangular number (1431 = T₅₃).

The spelling of 1126305 in words is "one million, one hundred twenty-six thousand, three hundred five".