1225597 has 8 divisors (see below), whose sum is σ = 1262144. Its totient is φ = 1189728.

The previous prime is 1225591. The next prime is 1225603. The reversal of 1225597 is 7955221.

1225597 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (1225591) and next prime (1225603).

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

It is a cyclic number.

It is not a de Polignac number, because 1225597 - 2³ = 1225589 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7438 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (157768).

2^1225597 is an apocalyptic number.

It is an amenable number.

1225597 is a deficient number, since it is larger than the sum of its proper divisors (36547).

1225597 is a wasteful number, since it uses less digits than its factorization.

1225597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 6300, while the sum is 31.

The square root of 1225597 is about 1107.0668453169. The cubic root of 1225597 is about 107.0161270710.

The spelling of 1225597 in words is "one million, two hundred twenty-five thousand, five hundred ninety-seven".