1225041 has 4 divisors (see below), whose sum is σ = 1633392. Its totient is φ = 816692.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225041 is 1405221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1225041 - 2⁵ = 1225009 is a prime.

It is a D-number.

It is a Curzon number.

1225041 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225041.

It is not an unprimeable number, because it can be changed into a prime (1225061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204171 + ... + 204176.

It is an arithmetic number, because the mean of its divisors is an integer number (408348).

2^1225041 is an apocalyptic number.

It is an amenable number.

1225041 is a deficient number, since it is larger than the sum of its proper divisors (408351).

1225041 is an equidigital number, since it uses as much as digits as its factorization.

1225041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408350.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1225041 is about 1106.8157028160. The cubic root of 1225041 is about 106.9999417707. Note that the first 4 decimals are identical.

The spelling of 1225041 in words is "one million, two hundred twenty-five thousand, forty-one".