1225329 has 32 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 637632.

The previous prime is 1225327. The next prime is 1225331. The reversal of 1225329 is 9235221.

1225329 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 (1225327) and next prime (1225331).

It is not a de Polignac number, because 1225329 - 2¹ = 1225327 is a prime.

1225329 is an undulating number in base 11.

1225329 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1225299 and 1225308.

It is not an unprimeable number, because it can be changed into a prime (1225327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14722 + ... + 14804.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1225329 is an apocalyptic number.

1225329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1225329 is a deficient number, since it is larger than the sum of its proper divisors (817551).

1225329 is a wasteful number, since it uses less digits than its factorization.

1225329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149.

The product of its digits is 1080, while the sum is 24.

The square root of 1225329 is about 1106.9457981311. The cubic root of 1225329 is about 107.0083261346.

The spelling of 1225329 in words is "one million, two hundred twenty-five thousand, three hundred twenty-nine".