1225485 has 24 divisors (see below), whose sum is σ = 2151864. Its totient is φ = 645120.

The previous prime is 1225459. The next prime is 1225493. The reversal of 1225485 is 5845221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 1205604 = 141^2 + 1098^2 .

It is not a de Polignac number, because 1225485 - 2⁹ = 1224973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4965 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (89661).

2^1225485 is an apocalyptic number.

1225485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1225485 is a deficient number, since it is larger than the sum of its proper divisors (926379).

1225485 is a wasteful number, since it uses less digits than its factorization.

1225485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 362 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1225485 is about 1107.0162600432. The cubic root of 1225485 is about 107.0128671166.

The spelling of 1225485 in words is "one million, two hundred twenty-five thousand, four hundred eighty-five".