1249473 has 4 divisors (see below), whose sum is σ = 1665968. Its totient is φ = 832980.

The previous prime is 1249433. The next prime is 1249477. The reversal of 1249473 is 3749421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1249473 - 2⁸ = 1249217 is a prime.

It is a super-2 number, since 2×1249473² = 3122365555458, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1249473.

It is not an unprimeable number, because it can be changed into a prime (1249477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208243 + ... + 208248.

It is an arithmetic number, because the mean of its divisors is an integer number (416492).

2^1249473 is an apocalyptic number.

It is an amenable number.

1249473 is a deficient number, since it is larger than the sum of its proper divisors (416495).

1249473 is an equidigital number, since it uses as much as digits as its factorization.

1249473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416494.

The product of its digits is 6048, while the sum is 30.

The square root of 1249473 is about 1117.7982823390. The cubic root of 1249473 is about 107.7065938792.

Adding to 1249473 its product of digits (6048), we get a palindrome (1255521).

The spelling of 1249473 in words is "one million, two hundred forty-nine thousand, four hundred seventy-three".