1225479 has 8 divisors (see below), whose sum is σ = 1730160. Its totient is φ = 768896.

The previous prime is 1225459. The next prime is 1225493. The reversal of 1225479 is 9745221.

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 1225479 - 2⁸ = 1225223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11964 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (216270).

2^1225479 is an apocalyptic number.

1225479 is a deficient number, since it is larger than the sum of its proper divisors (504681).

1225479 is a wasteful number, since it uses less digits than its factorization.

1225479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24049.

The product of its digits is 5040, while the sum is 30.

The square root of 1225479 is about 1107.0135500526. The cubic root of 1225479 is about 107.0126924705.

Subtracting from 1225479 its sum of digits (30), we obtain a square (1225449 = 1107²).

The spelling of 1225479 in words is "one million, two hundred twenty-five thousand, four hundred seventy-nine".