1225595 has 24 divisors (see below), whose sum is σ = 1792224. Its totient is φ = 787968.

The previous prime is 1225591. The next prime is 1225603. The reversal of 1225595 is 5955221.

1225595 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 1225595 - 2² = 1225591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12587 + ... + 12683.

It is an arithmetic number, because the mean of its divisors is an integer number (74676).

2^1225595 is an apocalyptic number.

1225595 is a deficient number, since it is larger than the sum of its proper divisors (566629).

1225595 is an equidigital number, since it uses as much as digits as its factorization.

1225595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 128 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 1225595 is about 1107.0659420287. The cubic root of 1225595 is about 107.0160688593.

The spelling of 1225595 in words is "one million, two hundred twenty-five thousand, five hundred ninety-five".