1250479 has 2 divisors, whose sum is σ = 1250480. Its totient is φ = 1250478.

The previous prime is 1250471. The next prime is 1250497. The reversal of 1250479 is 9740521.

It is a happy number.

Together with next prime (1250497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1250479 - 2³ = 1250471 is a prime.

1250479 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625239 + 625240.

It is an arithmetic number, because the mean of its divisors is an integer number (625240).

2^1250479 is an apocalyptic number.

1250479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250479 is an equidigital number, since it uses as much as digits as its factorization.

1250479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1250479 is about 1118.2481835442. The cubic root of 1250479 is about 107.7354924006.

The spelling of 1250479 in words is "one million, two hundred fifty thousand, four hundred seventy-nine".