1245626 has 4 divisors (see below), whose sum is σ = 1868442. Its totient is φ = 622812.

The previous prime is 1245623. The next prime is 1245649. The reversal of 1245626 is 6265421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 2401 = 1115^2 + 49^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1245595 and 1245604.

It is not an unprimeable number, because it can be changed into a prime (1245623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311405 + ... + 311408.

2^1245626 is an apocalyptic number.

1245626 is a deficient number, since it is larger than the sum of its proper divisors (622816).

1245626 is an equidigital number, since it uses as much as digits as its factorization.

1245626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622815.

The product of its digits is 2880, while the sum is 26.

The square root of 1245626 is about 1116.0761622757. The cubic root of 1245626 is about 107.5959410307.

The spelling of 1245626 in words is "one million, two hundred forty-five thousand, six hundred twenty-six".