1125229 has 16 divisors (see below), whose sum is σ = 1393920. Its totient is φ = 887040.

The previous prime is 1125221. The next prime is 1125253. The reversal of 1125229 is 9225211.

It is not a de Polignac number, because 1125229 - 2³ = 1125221 is a prime.

It is a super-2 number, since 2×1125229² = 2532280604882, which contains 22 as substring.

It is an Ulam 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 (1125221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4549 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (87120).

2^1125229 is an apocalyptic number.

It is an amenable number.

1125229 is a deficient number, since it is larger than the sum of its proper divisors (268691).

1125229 is a wasteful number, since it uses less digits than its factorization.

1125229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its digits is 360, while the sum is 22.

The square root of 1125229 is about 1060.7681179221. The cubic root of 1125229 is about 104.0112475508.

The spelling of 1125229 in words is "one million, one hundred twenty-five thousand, two hundred twenty-nine".