1125201 has 16 divisors (see below), whose sum is σ = 1870848. Its totient is φ = 584400.

The previous prime is 1125193. The next prime is 1125203. The reversal of 1125201 is 1025211.

It is not a de Polignac number, because 1125201 - 2³ = 1125193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1125203) 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, 2205 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (116928).

2^1125201 is an apocalyptic number.

1125201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1125201 is a deficient number, since it is larger than the sum of its proper divisors (745647).

1125201 is a wasteful number, since it uses less digits than its factorization.

1125201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1125201 is about 1060.7549198566. The cubic root of 1125201 is about 104.0103848111.

It can be divided in two parts, 1125 and 201, that added together give a triangular number (1326 = T₅₁).

The spelling of 1125201 in words is "one million, one hundred twenty-five thousand, two hundred one".