1227125 has 8 divisors (see below), whose sum is σ = 1531608. Its totient is φ = 981600.

The previous prime is 1227103. The next prime is 1227131. The reversal of 1227125 is 5217221.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 1203409 = 154^2 + 1097^2 .

It is not a de Polignac number, because 1227125 - 2¹⁰ = 1226101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1227097 and 1227106.

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, 4784 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (191451).

2^1227125 is an apocalyptic number.

It is an amenable number.

1227125 is a deficient number, since it is larger than the sum of its proper divisors (304483).

1227125 is an frugal number, since it uses more digits than its factorization.

1227125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832 (or 9822 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 1227125 is about 1107.7567422498. The cubic root of 1227125 is about 107.0605823401.

The spelling of 1227125 in words is "one million, two hundred twenty-seven thousand, one hundred twenty-five".