1225941 has 8 divisors (see below), whose sum is σ = 1674624. Its totient is φ = 797280.

The previous prime is 1225933. The next prime is 1225949. The reversal of 1225941 is 1495221.

It is an interprime number because it is at equal distance from previous prime (1225933) and next prime (1225949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225941 - 2³ = 1225933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225949) 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 7 ways as a sum of consecutive naturals, for example, 4861 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (209328).

2^1225941 is an apocalyptic number.

It is an amenable number.

1225941 is a deficient number, since it is larger than the sum of its proper divisors (448683).

1225941 is an equidigital number, since it uses as much as digits as its factorization.

1225941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011.

The product of its digits is 720, while the sum is 24.

The square root of 1225941 is about 1107.2221999219. Note that the first 3 decimals coincide. The cubic root of 1225941 is about 107.0261385468.

Subtracting from 1225941 its product of digits (720), we obtain a palindrome (1225221).

The spelling of 1225941 in words is "one million, two hundred twenty-five thousand, nine hundred forty-one".