1250426 has 4 divisors (see below), whose sum is σ = 1875642. Its totient is φ = 625212.

The previous prime is 1250413. The next prime is 1250437. The reversal of 1250426 is 6240521.

It is a happy number.

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., 808201 + 442225 = 899^2 + 665^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1250398 and 1250407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312605 + ... + 312608.

2^1250426 is an apocalyptic number.

1250426 is a deficient number, since it is larger than the sum of its proper divisors (625216).

1250426 is an equidigital number, since it uses as much as digits as its factorization.

1250426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625215.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1250426 is about 1118.2244855126. The cubic root of 1250426 is about 107.7339703008.

Adding to 1250426 its reverse (6240521), we get a palindrome (7490947).

The spelling of 1250426 in words is "one million, two hundred fifty thousand, four hundred twenty-six".