1225075 has 6 divisors (see below), whose sum is σ = 1519124. Its totient is φ = 980040.

The previous prime is 1225073. The next prime is 1225079. The reversal of 1225075 is 5705221.

It is not a de Polignac number, because 1225075 - 2¹ = 1225073 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225073) 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 5 ways as a sum of consecutive naturals, for example, 24477 + ... + 24526.

2^1225075 is an apocalyptic number.

1225075 is a deficient number, since it is larger than the sum of its proper divisors (294049).

1225075 is an equidigital number, since it uses as much as digits as its factorization.

1225075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49013 (or 49008 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1225075 is about 1106.8310620867. The cubic root of 1225075 is about 107.0009316599. Note that the first 3 decimals are identical.

The spelling of 1225075 in words is "one million, two hundred twenty-five thousand, seventy-five".